Infiniti 2009 models

Infiniti 2009 models DEFAULT

[T01] Performance tire & wheel pkg

225/50VR18 all-season tires, 18" cast aluminum wheels (REQ: PRM Premium Pkg)

[F01] Technology pkg

adaptive front lighting system w/auto lamp leveler, intelligent cruise control w/steering wheel mounted controls, pre-crash safety belts (REQ: NAV Navigation Pkg)

[S01] Sport pkg

P225/50R18 front & P245/45R18 rear tires, 18" sport cast aluminum wheels w/titanium finish, limited slip differential, auto trans paddle shifters, upgraded front brake calipers w/larger rotors, unique front fascia & side sills, sport-styled seats w/thigh extension, driver pwr thigh & torso support, sport stitching on steering wheel, aluminum pedals & footrest, sport tuned suspension, sport steering gear (N/A C-1 Wheat Leather Seat Trim)

[V01] 4-wheel active steering pkg

front & rear active steering system, revised front/rear dampers (REQ: SPT Sport pkg, SPL Rear spoiler & NAV Navigation pkg)

[P01] Premium pkg

Bose premium audio system, (2) 10-inch subwoofers, Burr Brown DAC, Bluetooth hands-free phone system w/steering wheel controls, pwr sliding/tilt glass sunroof w/one-touch open/close, heated front seats w/2-way pwr driver lumbar & memory, heated exterior pwr mirrors w/memory, HomeLink universal transceiver, auto-dimming rearview mirror, pwr front/rear windows w/one-touch up/down, pwr tilt/telescopic steering wheel w/memory, iPod controller


Just two years after a total redesign, the ground-breaking second-generation INFINITI G Sedan takes another leap forward for the 2009 model year with the addition of a new, larger 328-horsepower 3.7-liter “VVEL” V6 and 7-speed automatic transmission (as appropriate for a cutting-edge performance sports sedan, it is also available with a 6-speed manual transmission). 


Now designated as the INFINITI G37 Sedan, other enhancements for 2009 include new available sport brakes with 4-piston front/2-piston rear calipers and large 14-inch front and 13.8-inch rear rotors (G37S Sport 6MT, G37S Journey with Sport Package); new 18-inch wheels (G37S Sport 6MT, G37x with Sport Package, G37S Journey with Sport Package); standard Scratch Shield paint (self-healing clearcoat paint finish) and two new exterior colors – Sahara Sandstone and Moonlight White; and revised interior trim, including softer touch lower door panels, brighter “Washi” aluminum trim color and a redesigned (dial type) seat heater switch.


The 2009 G37 Sedan is available in four models – G37 Sedan, G37 Sedan Journey, G37S Sedan Sport 6MT and G37x Sedan AWD.


“The new G37 Sedan is the perfect stable-mate in the INFINITI lineup to the 2009 G37 Coupe, offering buyers groundbreaking style, performance and soul in a choice of two or four doors,” said Mark Igo, vice president and general manager, INFINITI. “The enhancements for 2009 are significant and should help keep the G Sedan at the head of the performance sport sedan pack.”



The G37 Sedan’s strikingly seductive exterior continues to be defined by its sleek wave form hood, signature G-style taillights and raked A-pillars and athletic stance – along with new, smaller outside mirrors adopted from the G37 Coupe. Inside, the G37 Sedan offers a crafted, heritage-inspired interior environment and luxury features such as standard leather-appointed seating and an audiophile-quality INFINITI Studio on Wheels™ by Bose®, which combines Bose’s first 3-way front door speaker array using 10-inch woofers with a head unit incorporating double oversampling 24-bit Burr Brown® Digital Audio Converters.


The G37 Sedan’s new engine combines with the second-generation FM (Front Mid-ship) platform – featuring a 4-wheel independent suspension with lightweight aluminum components – to provide responsive acceleration and agile handling. The G37x AWD adds INFINITI’s “intelligent” ATTESA E-TS™ all-wheel drive system. 


Advanced technologies include standard Intelligent Key with Push Button Ignition and available RearView Monitor; a touch screen INFINITI Navigation System with XM NavTraffic® real-time traffic information (XM® subscription required, sold separately) and 9.3GB Music Hard Drive; Adaptive Front lighting System (AFS); and Intelligent Cruise Control with Preview Braking.


Sporty, Sensual Styling

The 2009 G37 Sedan is visually striking, sharing a strong resemblance to the sporty G37 Coupe. Like the G Coupe, the Sedan features a long, wave-like hood, raked A-pillars and athletic stance – projecting a balance of power and grace that is suggestive of the performance potential within. The front of the G Sedan is highlighted by its L-shaped headlights and dramatic INFINITI signature grille with sculpted “twisted” horizontal blades inspired by traditional Japanese swords. High Intensity Discharge (HID) headlights with fog lights are standard, while an Adaptive Front lighting System (AFS), which automatically controls the headlight lighting pattern according to steering angle and vehicle speed to help provide better visibility at night, is optional.


The silhouette offers a wedged roofline and a sweeping bodyside character line that emphasizes both the rich shoulder surfaces and the G’s rear-wheel drive orientation.


In the rear, the refined, evolutional L-shaped LED taillights express the G heritage and the INFINITI design identity. The trunk lid is accented by an integrated spoiler, while prominent dual exhaust outlets complete the sporty appearance. 


The G37 Sport 6MT and Sport Package-equipped G37 Journey and G37x AWD models offer a unique front fascia and side sills, as well as 18-inch aluminum-alloy wheels and tires. A full rear spoiler is also available.


A Crafted Interior Environment

The 2009 G37 Sedan’s interior has been treated to subtle enhancements to provide an even higher quality feel, including “softer touch” materials on the lower door areas, a brighter color to the unique “Washi”-style textured aluminum trim (now matching the G37 Coupe) and such attention to detail as redesigning the seat heater switches. Unchanged is the G’s harmony between the dedicated driver’s cockpit and comfortable passenger space – and between modern technology and traditional Japanese design cues. The result is a “modern warmth” that is unique in the sport sedan segment.


“Traditionally, there have been two schools of thought in sport sedan interiors – cold, machine-like precision or soft, indulgent luxury,” said Igo. “In the G Sedan we’ve found a way to thoroughly engage the driver, while embracing passengers with finely crafted hospitality.”


The driver’s area has a simple, intuitive layout with easy-to-read electroluminescent gauges with white-and-violet instrumentation. A center information display, located between the tachometer and speedometer, conveys updates from the drive computer (average fuel consumption, instantaneous fuel economy, average speed, elapsed time, running distance, distance to empty, outside air temperature, warning displays, odometer and automatic transmission shift indicator). The G’s steering wheel is double-stitched by hand – a process that takes more than an hour to complete. The benefit is significant, allowing the stitches to be moved away from where the driver’s hands rest for a smoother, improved feel.  



Another unique feature of the G Sedan is its available 10-speaker INFINITI Studio on Wheels™ by Bose® Premium Audio System, combining a 3-way front door speaker array using 10-inch woofers with an audiophile-quality head unit incorporating double oversampling 24-bit 96KHz Burr Brown® Digital Audio Converters.


The G’s optional touch screen INFINITI Navigation System features available XM NavTraffic® with real-time traffic information and a 9.3GB Music Box Hard Drive. Other technologies include standard INFINITI Intelligent Key with Push Button Ignition, standard 7.0-inch color monitor display, available INFINITI Interface System for iPod® and Driver’s Audio Stage, standard XM® Satellite Radio (XM® subscription required, sold separately), available RearView Monitor and Bluetooth® Hands-free Phone System.


All 2009 G37s come equipped with standard leather-appointed seating in a choice of Wheat (except Sport-equipped vehicles), Stone or Graphite. Along with the standard Washi-style aluminum trim, premium genuine wood (straight-grained African Rosewood) accents (center console, instrument panel and doors) are optionally available. New for 2009, wood trim can be added to Sport Package-equipped G37 Journey models.


A New 328-Horsepower V6

While the G Sedan has been known since inception for its exhilarating, balanced dynamic performance, for 2009 it receives an injection of pure power with the addition of a new 3.7-liter V6. Based on the award-winning VQ-series V6, which has been named one of the “Ten Best Engines” by Ward’s Auto World magazine for 14 consecutive years, the new VQ37HR “VVEL” engine is rated at 328 horsepower and 269 lb-ft of torque (increases of 22 horsepower and 1 lb-ft of torque over the 2008 G35 Sedan’s 3.5-liter V6).


The G37 Coupe’s VVEL system combines hydraulic-controlled variable valve timing and electronically controlled variable valve lift on the intake side to help improve performance and response. The VVEL system also offers improved emissions and fuel efficiency over the previous 3.5-liter V6 design. The VVEL intake camshafts, featuring continuously variable lift control teamed with the Continuously Variable Valve Timing Control System (CVTCS), allow for a 7,600 rpm redline.



The engine also features increased cylinder block height (from the previous 3.5-liter design), ladder frame construction for greater rigidity, large crank journal and pin diameters, asymmetric piston skirts, twin knock sensors, an electronically controlled “drive-by-wire” throttle system, molybdenum coated lightweight pistons, Iridium spark plugs and a symmetric twin air intake system. The specially tuned dual exhaust system features equal length exhaust manifolds and low muffler exhaust backpressure to help improve engine breathing. Both intake and exhaust enhance driving pleasure with their authentic performance notes.


To help take full advantage of the new 3.7-liter V6, the G37 Sedan now comes with a standard (except for the G37S Sport 6MT model) 7-speed automatic transmission with Downshift Rev Matching, Drive Sport mode and ASC (Adaptive Shift Control) that allows for sportier shifts in performance driving situations. Solid magnesium paddle shifters are offered as part of the Sport Package for G37 Journey and G37x AWD models. The G37S Sport 6MT is again offered with a smooth-shifting, close-ratio 6-speed manual transmission.


“It is important to us to offer the G Sedan with a choice of transmissions – the 6-speed manual for the pure sports enthusiasts and our new 7-speed automatic that, especially when combined with the available steering wheel-mounted paddle shifters, provides nearly the same high level of driver control,” said Igo.


Along with the 3.7-liter engine, the G37 Sedan also shares the G37 Coupe’s advanced second-generation FM platform, which locates the engine behind the front axle in the “Front Mid-ship” position. The positioning of the engine provides good front-to-rear weight balance, while the combination of long wheelbase, manageable overall length and wide front and rear track adds to the G Sedan’s overall handling stability.


The G37’s suspension is a 4-wheel independent design with lightweight aluminum components and front and rear stabilizer bars, designed to provide nimble and natural feeling handling, as well as a controlled, refined ride. The front suspension minimizes alignment changes through use of a single pivot lower wishbone and a long upper link. 



The rear suspension design separates the shock absorbers and springs, locating the shock absorber inline with the wheel center to help reduce suspension friction and reduce the wind-up motion of the axle on acceleration.


INFINITI G37 Sport 6MT and Sport Package-equipped RWD models offer an optional Four-Wheel Active Steer system, which helps improve vehicle handling performance by varying the front steering ratio and adjusting the geometry of the rear suspension according to steering input and vehicle speed.


The 2009 G37 Sedan is also offered with a state-of-the-art “intelligent” all-wheel drive system. The G37x AWD model features INFINITI’s ATTESA E-TS® (Advanced Total Traction Engineering System for All Electronic Torque Split) all-wheel drive system, which is also utilized on the G37x AWD Coupe, M35x, M45x, EX35 AWD and FX35/FX50 AWD models. The system utilizes an active torque distribution management system with an active center clutch designed for smooth starts and better traction and maneuverability on snowy roads than conventional all-wheel drive systems, plus minimal compromise of rear-wheel drive performance characteristics on dry roads.


All 2009 G37s, rear-wheel and all-wheel drive, come with standard Vehicle Dynamic Control (VDC), helping to enhance vehicle stability under a variety of driving conditions, while Viscous Limited Slip Differential (VLSD) is included on RWD G37 Sport Package-equipped vehicles. VSLD is standard on the G37S Sport 6MT.


The G’s brake system utilizes power-assisted 4-wheel vented disc brakes with 4-channel, 4-sensor Anti-lock Braking System (ABS), Electronic Brake force Distribution (EBD) and Brake Assist (BA). New, larger brakes with 4-piston front/2-piston rear calipers are standard on the G37 Journey with Sport Package and G37S Sport 6MT. Also available is a Preview Braking system (with Intelligent Cruise Control). The power steering system is a vehicle-speed-sensing design, which provides optimum steering effort at both high and low vehicle speeds. 



The 2009 G37 features standard 17-inch aluminum-alloy wheels with P225/55R17 tires, and new 18-inch aluminum-alloy wheels and 225/50R18 front and P245/45R18 rear W-rated tires on the G35 Sport 6MT and Sport Package-equipped G37 Journey models. An 18-inch Wheel and Tire Package with P225/50R18 tires is available on the G37 Journey (non-Sport Package) and G37x AWD (as part of the Sport Package). A Tire Pressure Monitoring System (TPMS) is standard on all 2009 G37 Sedans.


All 2009 G37 Sedans come equipped with INFINITI’s Advanced Air Bag System (AABS) with dual-stage supplemental front air bags with seat belt and occupant classification sensors is standard, along with roof-mounted side impact supplemental air bags for front and rear-seat outboard occupant head protection and roof-mounted side impact supplemental air bags for front and rear-seat outboard occupant head protection. Also standard are 3-point ALR/ELR seat belts (driver’s side ELR only) and front seat belts with pretensioners and load limiters and adjustable upper anchors, front seat Active Head Restraints and the LATCH System (Lower Anchors and Tethers for CHildren). Brake-Operated Pre-Crash Seat Belts are available as part of the Technology Package. The G37 Sedan also features Zone Body Construction with front and rear crushable zones to help disperse crash energy around the passenger compartment.


Four Well-Equipped Models

The 2009 INFINITI G37 Sedan is available in four models – G37, G37 Journey, G37x AWD and G37 Sport 6MT. In addition to the long list of standard and available equipment on the G37, G37 Journey and G37x AWD models, G35 Sport 6MT models (as well as G37 Journey and G37x models equipped with the Sport Package) add drilled aluminum pedals, sport seats with thigh extensions and driver’s power bolster adjustments, upgraded brakes (not available on G37x) and Viscous Limited Slip Differential, along with magnesium paddle shifters on automatic transmission models.


Several options and packages are available for the 2009 G37 Sedan, including the Premium Package, Sport Package (G37 Journey and G35x AWD), Wheel and Tire Package RWD, Premium Package, Moonroof, Navigation Package, Technology Package, Four-Wheel Active Steer Package, Rear Spoiler and Wood Trim.

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by Alina Moore, on

Infiniti today announced pricing on the 2009 G37 Coupe and sedan, , which go on sale at Infiniti dealers nationwide on November 5, 2008. Both the G37 Sedan and G37 Coupe receive extensive revisions for the 2009 model year.

Pricing are as follows: G37 Coupe (3.7L DOHC V-6 7-spd auto w/manual shift) $35,900; G37 Coupe Journey (3.7L DOHC V-6 7-spd auto w/ manual shift) $36,650; G37x Coupe AWD (3.7L DOHC V-6 7-spd auto w/ manual shift) $38,700; G37S Coupe Sport 6MT (3.7L DOHC V-6 6-speed manual) $37,000; and for the sedan: G37 Sedan (3.7L DOHC V-6 7-spd auto w/ manual shift) $33,250; G37 Sedan Journey (3.7L DOHC V-6 7-spd auto w/ manual shift) $33,700; G37x Sedan (AWD 3.7L DOHC V-6 7-spd auto w/ manual shift) $35,750; G37S Sedan Sport 6MT (3.7L DOHC V-6 6-spd manual) $34,250.

Updates for 2009 include: new 328-horsepower 3.7-liter V6 engine with VVEL for the sedan version, new all-wheel drive system for the coupe version; new 7-speed automatic transmission with Drive Sport (DS) mode and Adaptive Shift Control (ASC) for both coupe and sedan.

Press release after the jump.

Press release

Infiniti today announced pricing on the 2009 Infiniti G37 Sedan and Infiniti G37 Coupe, which go on sale at Infiniti dealers nationwide on November 5, 2008. Both the G37 Sedan and G37 Coupe receive extensive revisions for the new model year:

  • G37 Sedan features a new 328-horsepower 3.7-liter V6 engine with VVEL (Variable Valve Event and Lift) technology
  • G37 Coupe adds a new all-wheel drive model, the Infiniti G37x Coupe AWD, with the advanced ATESSA E-TS™ intelligent all-wheel drive system
  • Both G37 Sedan and G37 Coupe also offer a new 7-speed automatic transmission with Drive Sport (DS) mode and Adaptive Shift Control (ASC)
  • Both offer standard Scratch Shield paint

The Manufacturer’s Suggested Retail Price (MSRP) for the 2009 Infiniti G37 Sedan with 7-speed automatic transmission starts at $33,250. The 2009 Infiniti G37 Coupe with 7-speed automatic transmission is $35,900, with the new G37x Coupe AWD priced at $38,700. Four models are available for both Sedan and Coupe, including Sport models with 6-speed manual transmissions. .

About the 2009 Infiniti G37 Sport Sedan and G37 Sport Coupe

The Infiniti G premium high-performance sport sedan receives a significant upgrade under the skin in 2009 with the addition of a new VQ37VHR “VVEL” 3.7-liter V6 rated at 328 horsepower. It is mated to a new 7-speed automatic transmission or close-ratio 6-speed manual transmission. Now designated as the Infiniti G37 Sedan, other major changes include newly available sport brakes, a new sport 18-inch wheel design and standard Scratch Shield paint (self-healing clearcoat finish). The 2009 G37 Sedan is available in four models – G37, G37 Journey, G37S Sport 6MT and G37x AWD.
For 2009, the G37 Coupe’s performance envelope expands with the addition of the new G37x AWD model with advanced ATESSA E-TSÔ all-wheel drive system. Also new is a 7-speed automatic transmission with Drive Sport (DS) Mode and Downshift Rev Matching (the G37 Coupe is also available with a close-ratio 6-speed manual transmission). The 2009 G37 Coupe is available in four models – G37, G37 Journey, G37S Sport 6MT and G37x AWD – each with standard 330-horsepower 3.7-liter VQ-series V6 with VVEL technology.

Alina Moore

Alina Joined the team in the early 2000s as one of the outlets very first experts, and she’s been with ever since. Over the years, she’s served various roles, but today she’s is relied on heavily to verify automotive facts, assist with formatting, and discover new and engaging topics.  Read full bio

About the author
This 2009 Infiniti FX50s is a Ridiculous V8 Powered Crossover, and I Love It

2009 Infiniti G37

The Infiniti G37 represents an entire line of sports sedans, sport coupes and convertibles. Essentially luxurious versions of the Nissan Z, all excel at driving dynamics. And all are powered by Nissan’s 3.7-liter V6, an engine with a distinctive sound that revs freely and puts out a lot of power.

The G37 interior is lively and friendly without being fussy or overly busy. The overall quality of the passenger cabins has increased with this latest generation, and they’re much better suited to the luxury class than they once were. The G37s are priced lower than some European competitors, with more standard equipment. They’re a great place for performance-minded buyers to start shopping.

For 2009, there are lots of significant updates across the G37 line. All models are now equipped with a new, larger 3.7-liter V6 introduced in the G37 Coupe for 2008, and horsepower increases across the line. The standard automatic transmission has been upgraded from five to seven speeds, and EPA mileage ratings increase one mpg city, two mpg highway as a result. The Coupe is now available with full-time all-wheel-drive, offering buyers in tough-winter climates an extra element of mobility, security and safety.

The biggest news for 2009 is introduction of the G37 Convertible, featuring a retractable steel hardtop. The Convertible is the only G37 body style not offered with all-wheel drive.

All G37s come standard with rear drive, which delivers handling characteristics front-wheel drive can’t usually match. All models are available with a six-speed manual transmission that’s increasingly rare in this class; the new seven-speed automatic is tuned for sporting response, with available steering wheel paddles for manual shifting.

The engine is more powerful than that of many competitors, and it’s tuned for the sort of response and excitement that enthusiast drivers prefer. This car’s trademark has always been sporty driving dynamics, but Infiniti has also made strides addressing its shortcomings. Interior finish and overall smoothness have steadily improved the last several model years.

The four-door G37 is true sports sedan, reacting to driver commands in the fashion of a sport-tuned coupe. Yet it seats four comfortably in all circumstances, with easy in-out access and plenty of stowage space in the trunk.

The two-door G37 Coupe looks racier than the sedan, and it’s fresh from a complete redesign for 2008. Its chassis is stiffer, lower and wider than its predecessor’s, with improved ride quality and even better handling. Its instrumentation is first rate, and its climate, audio and navigation systems are easy to understand and control. Rear seat legroom is more restricted than in the sedan, however, so two adults may not be happy in the Coupe’s back seat for long.

The new G37 Convertible looks a lot like the coupe, until its three-piece steel top opens at the touch of a button. Then it’s a cabriolet. The Convertible comes with a Bose Open Air Sound System that automatically adjusts audio levels according to vehicle speed and ambient noise. The Convertible’s climate control system also adjusts fan speed based on vehicle speed when the top is open.

The coupe and sedan are available in three trim levels, and the convertible in two. The top level is the Sport 6MT, which features the manual transmission, bigger brakes and a host of performance-enhancing features, including 19-inch high-performance tires. All G37s are offered with the high-tech features expected in this category, including adaptive bi-xenon headlights and excellent audio systems. The navigation system monitors traffic conditions and includes a 9.3 gigabyte hard drive with a compact flash-drive slot.

Safety features include a full complement of six airbags, a tire pressure monitor, Vehicle Dynamic Control to help the driver manage skids and advanced ABS with EBD and Brake Assist. In the convertible, head-protection airbags open up from the door rather than down from the roof, while two roll-protection hoops automatically pop up behind the rear seats in the event of a potential rollover accident. Optional safety features include a back-up camera, radar-managed active cruise control and a lane-guidance system.

Model Lineup

The Infiniti G37 is available as a four-door sedan, two-door coupe or two-door convertible, in a total of 10 different variations. All are powered by the same 3.7-liter V6, with either a new seven-speed automatic or six-speed manual transmission. Fulltime all-wheel-drive is available on the sedan and coupe.

The G37 Sedan ($33,250) comes with leather seats, automatic temperature control, cruise control, an eight-way power driver’s seat, six-speaker AM/FM/CD audio with auxiliary input, keyless entry and starting, HID bi-Xenon headlights and 17-inch aluminum wheels with all-season tires. The 3.7-liter V6 delivers 328 horsepower and 269 pound-feet of torque in the sedan. The Journey ($34,000) adds a six-disc CD changer, eight-way power front passenger seat, and automatic headlights.

The G37 Sedan Sport 6MT ($34,250) comes with a six-speed manual transmission and a firmer, sport-tuned suspension. It also adds performance upgrades such as larger brakes, 19-inch wheels with high-performance tires and a viscous limited slip differential, for increased traction under hard acceleration. The Sport looks racier than other models, thanks to a more aggressive front end styling, with sport-style seats and aluminum pedals.

The G37x Sedan ($35,750) adds Infiniti’s ATTESA E-TS fulltime all-wheel-drive system.

The G37 Coupe ($35,900) is equipped similarly to the sedan, though its engine delivers slightly more power: 330 hp, 270 lb-ft. The Journey ($36,650), Coupe Sport 6MT ($37,000) and G37x Coupe AWD ($38,700) come with essentially the same standard equipment as their sedan counterparts.

The G37 Convertible ($43,850) features a power-retractable steel hard top that opens or closes in about 30 seconds. It comes standard with a Bose Open Air Sound System that adjusts audio levels based on outside noise, vehicle speed and top position. Its climate control adjusts fan speed according to top position and vehicle speed. Infiniti’s RearView Monitor camera is standard. The Convertible Sport 6MT ($43,900) is equipped like the other Sport models.

Option clusters include the Premium Package for the coupe ($3,200) and sedan ($2,500) includes a moonroof, the 11-speaker Bose Studio on Wheels audio system with iPod connection, driver’s seat memory, a power tilt and telescoping steering wheel, an anti-glare rearview mirror with compass, a hands-free phone system and heated front seats and door mirrors. The Navigation Package ($2,200 coupe, $2,150 sedan) is touch-screen and voice-activated, with detailed information on traffic ahead, using XM radio and includes a 9.3-gigabyte Music Box hard drive with compact flash drive slot, and the rearview video monitor. The Sport Package ($1,850 for coupe, $2,100 sedan) for base and Journey trim levels adds the Sport 6MT’s tauter suspension, 19-inch wheels and tires, bigger brakes, sport seats and steering wheel paddle shifters for the automatic transmission.

Stand-alone options include 19-inch high-performance tires ($650), the moonroof ($1,000), and African Rosewood interior trim ($450). The 4-Wheel Active Steer Package ($1300) makes high-speed lane changes steadier and safer, by altering the front steering ratio and counter-steering the rear wheels up to 3 degrees.

Safety features include two-stage front airbags, side-impact airbags for front passengers and full-cabin, head protection curtains. Infiniti’s Vehicle Dynamic Control helps keep the G37 under control in the wet, and the anti-lock brakes feature Electronic Brake Force Distribution and Brake Assist. The convertible features pop-up roll hoops behind the read seat for rollover protection.

The Technology Package ($1,150 coupe, $1,100, sedan) is essentially a collection of safety features. It includes Intelligent Cruise Control (ICC), which maintains the gap to the car in front, Preview Braking to pre-load the brake system in advance of a potential collision, Adaptive Front Lighting to aim the headlights into curves, and the RearView Monitor.


All Infiniti G37s share essentially the same chassis, and all variants have evolved with a similar, second-generation appearance. The Sedan was redesigned for 2007, and the Coupe for 2008. Infiniti calls the new look seductive, although we think the word best applies to the sleek sedan. The second-generation designs are certainly swoopier than previous Infiniti Gs, but also bulkier around the shoulders and hips. From the side or three-quarter view, the G37s and especially the Coupe show a family resemblance to their close corporate sibling, the Nissan 370Z sports car.

There are subtle enhancements to all G37 models for 2009, starting with Infiniti's Scratch Shield paint: A clear-coat that protects against scratches. The sedan gets smaller, more aerodynamic outside mirrors introduced on the Coupe in 2008. Nonetheless, the biggest addition from a styling perspective is the new-for-'09 G37 Convertible.

The Convertible features a unique design from the windshield pillars rearward. It's slightly wider than the other models, with a modified rear suspension that allows for the top's power mechanism and stowage space behind the rear seat. The Convertible has more heavily reinforced windshield pillars, side members and body sills, which help reduce body flex and vibration when motoring with the top down.

When its three-piece steel top is closed, the Convertible it looks much like the G37 Coupe. Its heavily insulated headliner works almost as well as the coupe's fixed roof in keeping ambient noise out side the car. The automatic top's opening or closing sequence takes approximately 30 seconds from start to finish, initiated with the touch of a button on the center console. Like the other body styles, the Convertible has a special, more aggressive looking grille and front end when it's equipped with the Sport 6MT package.

In general, the evolved G37s have a striking look. The front wheel cutouts are larger than those on earlier models, leaving less metal for the fenders and making them appear to rise even more. The headlights have integrated fog lamps, yet they're smaller and sexier. Infiniti calls the aluminum hood (pinned with two latches) a wave hood, although the sea looks pretty flat between the bulging shoreline of the fenders.

All of the G37's factory wheel designs are handsome. The standard wheel are split five-spokes, in polished titanium, and the beautiful 10-spoke 19-inch wheels fully complement the car's looks.

Interior Features

One of the biggest improvements since the first Infiniti G models is inside. The overall quality of the passenger cabins has increased, and they're much better suited to the luxury class than they once were.

The G37 interior is lively and friendly without being fussy or overly busy. There's luxury aplenty, but tempered by a focus on function, and on connecting the driver to the car while at the same time providing passengers a pleasant and comfortable environment. The materials, fit and finish are much better than they once were, though we're still not enamored with the graining on some of the harder plastics. There's a vent in each A pillar to keep the side windows clear. Lots of rear glass makes for good rearward visibility, even without the optional back-up camera.

The dashboard and center console design is the same in all G37 body styles, with slight variation in the front door-panel designs. The dash applies Infiniti's double wave theme, trimmed in standard spun aluminum inspired by handmade Japanese Washi paper. It's elegant, and one of the most aesthetically pleasing metal trims anywhere. The optional African rosewood is unique and classy, while the aluminum is sporty. Infiniti's signature analog clock sits front and center in the center stack of controls.

The perforated leather seats are comfortable, and the standard eight-way driver's seat has air-adjustable lumbar support. The Sport Package, standard on the 6MT models, adds 14-way sport-styled seats with thigh extensions and power adjustable torso and thigh bolsters for the driver, with sporty steering-wheel stitching and aluminum pedals.

The three-spoke steering wheel is wrapped in hand-stitched perforated leather, with audio and cruise control buttons on its spokes. Optional paddle shifters for the automatic transmission are magnesium, and you can actually reach them with your fingers when your hands are placed at 10 and 2 o'clock on the steering wheel. That isn't the case with many cars, and we like the shift sequence, too. You pull back on the right paddle for upshifts, and on the left for downshifts.

The G37's gauges feature electroluminescent lighting: The needles glow red on a white-and-violet background. An easy-to-read information display shows useful trip functions like immediate or average fuel mileage, average speed, elapsed time, running distance and distance to empty, as well as outside air temperature, odometer, and warning displays.

The center stack falls from an LED screen that displays climate and audio data or navigation information. Audio and climate controls are conveniently located out in the open below the information screen, with our preferred layout of audio on top and climate below. The G37 Convertible comes standard with an adaptive climate control system that automatically adjusts airflow and fan speed based on top position and road speed.

The navigation system is controlled by a mouse-like knob below the screen, or by voice commands. The map offers a bird's-eye view, which gives a perception of distance by incorporating a horizon and, depending on the available mapping data, three-dimensional building footprints for the local surroundings. It's neat to look at, though many testers prefer the regular overhead view because it always keeps North up. The XM Satellite Radio system provides real-time traffic updates on the screen, where available.

The base sound system is competitive with that in any luxury sedan. The convertible comes with a standard feature that adjust sound levels for ambient noise when the top is down.

The upgrade Bose Studio On Wheels audio system delivers a sound that's richer, fuller, more intricate and crisper than any system we can recall in cars costing thousands, sometimes tens of thousands of dollars more than the G37. We stepped directly from a G into a $100,000-plus European sports coupe with that marque's top-level sound system and could not distinguish a difference between the two. When it's equipped with the navigation system, the G37 adds a 9.3 gigabyte hard drive that will copy about 90 CDs in short order. You'll never have to carry CDs in this car, and the audio directory can access music by artist or type.

The front door pockets are small in all G37 models, half-taken by armrests, although each includes a hollow for a water bottle. There are also two big cupholders behind the shift lever. Further back, under the driver's elbow, the size of the compartment in the center console is reasonable, and there's another cupholder here.

Cubby storage includes a respectably sized glove box. The back side of each front seatback has a magazine pouch. Two cup holders pop out of the fold-down, rear seat center armrest, which also has a unique compartment masked by a Velcro-type flap on the right side.

Interior roominess is competitive for the class. The G37 Sedan's wide rear door openings leave room aplenty for legs, knees and feet when getting in and out of the back seat.

The Coupe is slightly different story. It doesn't offer much knee room in the rear seats, and the legroom stat of 29.8 inches is the lowest we've seen in a long time. The driveshaft hump runs high between the two rear seats, and there's a wide crack between the seatback and seat bottom that might be uncomfortable over the miles. Overall, the rear seat sends heavy reminders that this is a coupe, not a sedan. You might even think of it as a four-seat Nissan 370Z.

Rear seat space in the G37 Convertible is just as tight. Access in both Coupe and Convertible is at least eased by a power walk-in device with position memory. In both, the front seats move forward automatically at the touch of a button to allow passengers into the rear. The Convertible offers a rear wind deflector that helps reduce turbulence when the top is down.

With 13.5 cubic feet of trunk space, the G37 Sedan slightly surpasses competitors like the Lexus IS and BMW 3 Series in cargo volume. On the other hand, it falls well short of class leaders like the Audi A4 (17 cubic feet). The G37 Convertible, too, offers competitive trunk space, with 10.33 cubic feet. Of course, that space drops dramatically when the top is lowered under the rear deck, leaving only 1.99 cubic feet for bags or other stuff.

When it comes to trunk space, the Coupe fares worst of all, lagging just about all competitors with 7.4 cubic feet. A folding rear seat back improves things by allowing larger items to flow from the trunk into the passenger cabin, and it explains that notable crack between the back and bottom cushion when the rear seatback is upright.

Driving Impressions

The strength of the Infiniti G has always been its edgy performance: based on the Nissan Z, almost a rawness, particularly in the Coupe. Its weakness? It hasn't always been as smooth and quiet as many competitors, though Infiniti has made great strides in this respect the last several years.

For 2009, all G37 variants are equipped with a new engine introduced in the 2008 G37 coupe. This slightly larger 3.7 liter V6 increases horsepower and torque across the line, though exact output varies slightly depending on the body style. The Coupe's 330 horsepower is a lot to get out of a V6, and it ranks right at the top of the G37's class. The engine features the latest in material and control technology, including Infiniti's VVEL, for Variable Valve Event and Lift. This hydraulically-controlled variable valve timing system improves not only performance and response, but also emissions and fuel efficiency.

All G37 variants deliver responsive performance and great acceleration. Stand on the gas and they pull right up to maximum rpm, willingly and heartily revving to levels normally associated with smaller, less complex engines. And the character is as important as sheer performance.

These V6s generate about 270 pound-feet of torque at a peaky 5200 rpm, and rev to a howling pitch at 7500 rpm, where the rev limiter begins to gently cut fuel. The power comes on smooth and quick, accompanied by a unique howl crafted into the exhaust system. You can hear it when a G37 rolls by at 20 mph, and you can hear from the driver's seat with the windows down. It's likely to bring a smile to your face. You can barely hear it with the windows up, however, thanks to improvements Infiniti has made to the G37 by reducing noise and vibration inside.

Despite the extra dose of power for 2009, and acceleration near the top of the class, there's also a slight increase in fuel mileage, at least in cars equipped with the automatic transmission. EPA ratings increase 1 mpg City and 2 mpg Highway, to 18 mpg City/26 mpg Highway for G37s with rear-wheel drive, and 18 City/25 Highway for those with all-wheel drive. The mileage improvement comes primarily from a new seven-speed automatic, which has two more gears than its predecessor. This allows even brisker acceleration, with a big overdrive gear that means lower engine speeds and less noise when cruising on the freeway.

The automatic does its job rather casually at part throttle. Most of the time we stayed in plain old Drive, able to forget the transmission was even there. If the driver moves the moves the stubby leather-wrapped shift lever to the left, however, Sport mode is engaged. The upshifts come at higher rpm, and both upshifts and downshifts are sharper. Holding the right foot unwaveringly hard to the floor produces sharper, more solid shifts at the engine's redline.

For more aggressive driving on lightly traveled back roads, we found that the Manual mode is where we wanted to be. The automatic changes gears quickest and smoothest with either the shift lever or the column-mounted paddles under full throttle; it's like a power shift but without the clutch. Credit this to the engine's electronics, which feather the throttle through the instantaneous shift. The same electronics deliver smooth downshifts, too, whether in full auto mode or manual override, by blipping the throttle to match engine rpm to transmission speed in the lower gear. It's like double clutching a pure manual gearbox.

In short, the G37's seven-speed automatic is excellent, but we still like the conventional six-speed manual. We like it even better that Infiniti offers a manual in a category where such transmissions are increasingly rare. The six-speed's shift pattern is tight, and gear selection precise, requiring little effort. Clutch operation is heavier than we would expect even on a sports sedan. This makes for sometimes rocky clutch engagement, especially at low speeds and light throttle. But once the driver is used to it, it's a satisfying operation.

The balance of ride and handling is consistently good across the G37 line. This luxury car starts with rear-wheel drive, like a BMW, rather than front-wheel drive like an Acura. The G37 base and Journey models are a bit more softly sprung than the Sport 6MTs, but not even the base Sedan is floaty. Far from it, actually.

For hustling down winding roads, though, the Sedan's 6MT model's sport-tuned suspension (optional on all G37 variants) is the preferred choice. It's still quite comfortable cruising the Interstate: solid and taut, managing the G37's mass very well without exacting a price in stiffness. The sport suspension is firmer than the base suspension, to be sure, and it will transmit pavement heaves more dramatically into the passenger compartment. But over anything less than chunking blacktop or weathered concrete, it gives up very little against the standard suspension, which leans a bit more toward supple.

The Coupe might be the sportiest G37 of all. Its redesigned chassis is quite bit more solid than before, and a bit lower, with a slightly wider track. The multi-link rear suspension separates the shocks and coil springs, allowing ideal placement of each. You could forgive some stiffness from any suspension that provides high-performance handling, but as sporting coupes go, the G37 needs no slack in standards of ride comfort.

And we're really impressed with the handling, especially with the Sport package. The speed-sensitive power steering is seamless. It turns precisely into corners, with no dead spots through a long curve. The G's front-midship design, with the engine set farther back behind the front axle, is inherently well balanced. Driving hard over roads that would cause almost any car to twitch, the steering wheel stays remarkably steady.

The Coupe Sport 6MT is so good it almost has a downside. Pushing harder, over remote, twisty and smooth curves, we felt the standard limited-slip differential and stability electronics (VSD) at work. Or rather, we saw them working thanks to a light on the dash, The corrections are beautifully subtle. You can pitch the G37 to a ridiculous point, and the VSD just gently won't allow the car to get out of shape. It doesn't tell you how wrong you were, with a slap upside the head, like some other electronic stability systems might. And maybe sometimes the driver needs a good slap upside the head to know he or she was behaving badly.

For 2009, the new Coupe adds the all-wheel drive option. Infiniti's ATESSA E-TS system monitors data such as wheel spin, throttle position and vehicle speed, and automatically diverts up to 50 percent of the engine's power to the front wheels, improving traction and control when road conditions are less than optimal. Yet in ideal conditions, when the road is smooth and dry, the all-wheel drive system still sends all of the power to the rear wheels, preserving the G's sporty rear-drive handling characteristics. In both coupe and sedan, the G37x's AWD has a snow mode that electronically tempers throttle response, reducing the amount of power the engine delivers for a given movement of the gas pedal.

The G37 Sport models come with bigger brakes than the others. Yet in all cases the G37's four-wheel discs are smooth, predictable, and rock steady, inspiring confidence in any driver. They're also sensitive, and when you jump on them they grab, so it takes a little time to develop the technique for smooth application.

On freeways, all G37s cruise comfortably and quietly, and that may be the biggest improvement of all. While they maintain there sporty performance edge, much of the roughness, almost cheapness, has been refined out. The irritating drone that often plagued rear seat passengers in earlier Sedans is gone, and when it comes to controlling noise and vibration inside, the G37 competes on much better terms with competitors such as Lexus and Audi.

There's little wind noise even at extra-legal speeds. There's more road noise from the optional, larger tire packages than from the standard treads, but the added grip and, frankly, sharper looking 19-inch wheels are worth it.


The Infiniti G37 line is Infiniti's entry in a highly competitive category that includes the Acura TL, Audi A4 and A5, BMW 3 Series, Lexus IS and Mercedes C-Class. The G37s are definitely competitive, with slick styling, comfortable, well-equipped interiors and power and handling on par with any of their peers. For buyers seeking a sports sedan that's as accommodating of its passengers as it is rewarding for its driver, the G37 Sedan is hard to beat. The Coupe and Convertible models add even more sex appeal, and all but the convertible are available with an effective all-wheel drive system. The G37s also offers more equipment for less cash than some competitors. correspondent reported from the Motor City, with Sam Moses in the Columbia River Gorge, and Tom Lankard in Lenox, Massachusetts.

Model Line Overview
Model lineup:Infiniti G37 Sedan ($33,250); Sedan Journey ($34,000); Sedan Sport 6MT ($34,250); G37x Sedan AWD ($35,750); G37 Coupe ($35,900); Coupe Journey ($36,650) Coupe Sport 6MT ($37,000); G37x Coupe AWD ($38,700); G37 Convertible ($43,850); Convertible Sport 6MT ($43,900)
Engines:3.7-liter V6
Transmissions:7-speed automatic; 6-speed manual
Safety equipment (standard):two-stage front-impact airbags, front passenger side-impact airbags, full-cabin curtain-type head protection airbags, Vehicle Dynamic Control, anti-lock brakes with Electronic Brake Force Distribution and Brake Assist, active front headrests, tire pressure monitor
Safety equipment (optional):rear-view video monitor, Intelligent Cruise Control with Preview Braking, adaptive front lighting
Basic warranty:4 years/60,000 miles
Assembled in:Tochigi, Japan
Specifications As Tested
Model tested (MSPR):Infiniti G37 Coupe Journey ($36,650)
Standard equipment:leather seats, aluminum trim, eight-way power-adjustable driver and front-passenger seats, dual-zone automatic temperature control, six-speaker AM/FM audio with six-CD changer, auxiliary input and XM satellite radio, 7-inch LCD monitor, manual tilt/telescope steering wheel with multi-function controls, cruise control, one-touch power windows, keyless entry and starting ,rear window defroster, HID bi-Xenon headlights,18-inch wheels with all-season tires, carpeted floor mats, Scratch Shield paint
Options as tested (MSPR):Premium Package ($3,200) includes power sliding moonroof with one-touch open/close, Bose premium audio system with Burr Brown Digital Audio Converter, driver seat, steering wheel and outside mirror memory system, power tilt/telescoping steering column, automatic anti-glare rearview mirror with compass, HomeLink Universal Transceiver, Bluetooth hands-free phone system, heated front seats and outside mirrors; Sport Package ($1850) includes automatic transmission paddle shifters, 19-inch aluminum wheels with high-performance tires, viscous limited-slip differential, sport tuned suspension, larger brakes, sport seats, unique front fascia and side sills, aluminum pedals; Navigation Package ($2,200) includes GPS navigation with Infiniti controller and touch screen, lane guidance and building footprint graphics, 9.3GB Music Box hard drive, compact flash slot, XM NavTraffic with Real-Time Traffic information, rear-view monitor and voice recognition for climate control, audio and navigation commands; Illuminated kick-plates ($330)
Destination charge:$815
Gas guzzler tax:N/A
Price as tested (MSPR):$45045
Layout:rear-wheel drive
Engine:3.7-liter dual overhead-cam 24-valve V6
Horsepower (lb.-ft @ rpm):330 @ 7000
Torque (lb.-ft @ rpm):270 @ 5200
Transmission:7-speed automatic
EPA fuel economy, city/hwy:18/26 mpg
Wheelbase:112.2 in.
Length/width/height:183.1/71.8/54.9 in.
Track, f/r:60.8/61.4 in.
Turning circle:36.1 ft.
Seating Capacity:4
Head/hip/leg room, f:37.7/53.4/43.8 in.
Head/hip/leg room, m:N/A
Head/hip/leg room, r:34.5/48.2/29.8 in.
Cargo volume:7.4 cu. ft.
Towing capacity:N/A
Suspension, f:independent, double wishbone with stabilizer bar
Suspension, r:independent, multi-link with stabilizer bar
Ground clearance:N/A
Curb weigth:3642 lbs.
Tires:P225/45WR19 front, 245/40WR19 rear
Brakes, f/r:vented disc/vented disc with ABS, EBD, Brake Assist
Fuel capacity:20.0 gal.
Unless otherwise indicated, specifications refer to test vehicle. All prices are manufacturer's suggested retail prices (MSPR) effective as of June 14, 2009.Prices do not include manufacturer's destination and delivery charges. N/A: Information not available or not applicable. Manufacturer Info Sources: 800-662-6200 -

Models infiniti 2009

Be Smart, Check in Advance. CARFAX — Your Vehicle History.

CARFAX — Your Vehicle History Expert

Sometimes what you don't know can't hurt you, but that's not the case when buying a used car. As an independent vehicle history provider, at CARFAX we've made it our mission to tell you everything you need to know by uncovering as many events as possible from the previous life of a used car. Our primary goal is to help you get to know your next car from the inside out before deciding to make an investment that will be part of you and your family's everyday life. We believe your next car shouldn't be hiding anything from you.

CARFAX Vehicle History Reports contain over 28 billion historical records from 20 European countries, the US and Canada, which are updated daily with new information.

Even if you live in a country we don't collect vehicle data from, it's still always worth checking the Vehicle Identification Number without obligation. The used car import and export market is booming and many owners would be surprised to find out exactly what happened to their vehicle during its previous life abroad.

Privacy for Customers — Transparency over Vehicles

Let's be clear: Although we strive to find every detail of a vehicle's life so far, we are focused only on the vehicle's history, and do not collect any information on previous owners. The information we provide relates solely to the vehicle, its odometer reading, any accidents that have been covered up, where the vehicle comes from and much more — it never gets personal. We've uncovered irreparable damage several times in the past, but other times our vehicle history checks draw a blank — and sometimes that's actually a good thing.

Second Hand — Not Second Best

Did you know that considerably more used cars are sold than new cars? We think this second-hand system is nothing short of fantastic. However, it goes without saying that it gives rise to different methods and tactics: Some sellers will disguise a car that's been in an accident under a fresh coat of paint, tamper with the odometer or conceal theft. This is one of the less appealing aspects of buying second hand. Our goal is to establish trusting relationships between buyers and sellers, since this is the best way to help customers make the right decision. Your new car should be reliable and make you feel safe, as well as make you feel like you haven't paid too much.

But more than anything else, we don't want you or your family unknowingly sitting behind the wheel of a vehicle that isn't 100% safe. This is why we strive to take these vehicles off the road, which not only makes the used car market safer but our streets safer too.

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We remain neutral and independent despite our partnerships — our sole purpose is help customers make an informed choice and ensure their safety and the safety of their family. This includes never collecting any personal details — we do not accept any PII from data sources amongst the information we provide about a vehicle. We ensure that data protection laws are observed at all times. Furthermore, we always collect our data in compliance with legal and regulatory frameworks — in all the countries in which we are active. We expressly distance ourselves from illegal activities such as data theft, scraping and hacking.

*SOLD* 2009 Infiniti G37 Sedan Walkaround, Start up, Tour and Overview

Infiniti G-series (Q40/Q60)

Motor vehicle

The Infiniti G-series[1] is a line of compact executive car produced by Infiniti, a luxury division of Nissan for the 1991–1996 and 1999–2016 model years. The first two generations of the Infiniti G (P10 and P11) were sedans based on the Nissan Primera. Beginning with its third generation (V35), the Infiniti G have been rebadged versions of the Nissan Skyline line of sedans and coupes that were exported to the United States and Canada. The current incarnation is the fourth generation (V36) which introduced the hardtop coupe convertible. The Nissan FM platform, on top of which the third and fourth generations (V35 and V36) of the Infiniti G have been built, also underpins the Nissan 370Z and has shared components with the Infiniti M, Infiniti EX, and Infiniti FX.

In May 2013, Infiniti announced a new naming convention beginning with the 2014 model year; all passenger cars are designated by the letter "Q," while sport-utility model names will begin with "QX." The Infiniti G was to have been replaced by the Infiniti Q50, but the G37 was revived as the Q40 beginning with the 2015 model year.

First generation (P10; 1990)[edit]

Motor vehicle

G20 (P10)
Also calledNissan Primera
ProductionJuly 10, 1990–July 19, 1996
Model years1991-1996
AssemblyYokosuka, Kanagawa, Japan (Oppama Plant)
DesignerMamoru Aoki (1987)
Body style4-door sedan
LayoutFF layout
Engine2.0L SR20DEI4 140 hp (104 kW)
Wheelbase100.4 in (2,550 mm)
Length1993.5: 174.8 in (4,440 mm)
1990-93 & 1994-96: 175 in (4,400 mm)
Width66.7 in (1,690 mm)
Height1993.5: 54.7 in (1,390 mm)
1990-93: 54.9 in (1,390 mm)
1994-96: 53.5 in (1,360 mm)
Curb weight2,535 to 2,818 lb (1,150 to 1,278 kg)

The Infiniti G20 was Infiniti's entry-level luxury car in the United States from 1990 to 2002, with a two-year hiatus for model years 1997 and 1998, in which the Infiniti I30 became their entry-level car. It was a rebadged version of the Nissan Primera sedan, primarily designed for the European market. It was launched in September 1990 as Infiniti's first small car as an entry-level alternative to the Q45; later advertisements in 1998 for the second-generation G20 emphasized its European heritage with the tag line "Born in Japan. Educated in Europe. Now Available in America." Two generations of the G20 exist in the United States, the HP10 (P10), built from 1990 to 1996, and the HP11 (P11), built from 1998 to 2002. All G20s were front-wheel drive and were built in Oppama, Japan. The exterior and interior designs of the P10 were styled by Mamoru Aoki in 1987.[2]

The G20 was first unveiled to Infiniti dealers at the 1989 New York International Auto Show (appearing to the public at the 1990 show), with the first series production example being assembled on July 10, 1990. The final 1996 G20 was rolled off the assembly line on July 19, 1996. The P10 featured the first application of Nissan's multi-link front suspension in a front-wheel-drive car, with an independent MacPherson strut setup in the rear. It came standard with a 5-speed manual transmission. The only options to begin with were an automatic transmission, leather interior, and a power glass moonroof; a Touring package (labeled G20t) was introduced in 1994 and featured a black leather interior with sport front bucket seats and fold-down rear seats, as well as a limited-slip differential in the transmission and a spoiler on the rear decklid.

Engine design[edit]

The G20 was powered by the SR20DEInline 4-cylinder. It was a transversely-mounteddual overhead camnaturally aspiratedreciprocatinginternal combustion engine. Displacement was 2.0 L (1,998 cc) with a square bore × stroke ratio of 86 mm × 86 mm (3.39 in × 3.39 in). This engine was also shared with the US-spec Nissan Sentra/Nissan 200SX SE-R, Nissan NX2000, and a host of non-US Nissan vehicles. The particular version used in the G20 produced 140 hp (104 kW) crank in the US at first, and 145 hp (108 kW) in '00+ editions (116 to 126 bhp (87 to 94 kW); stock range) and 132 or 136 lb⋅ft (179 or 184 N⋅m) of torque (111 to 120 lb⋅ft (150 to 163 N⋅m); stock range). These engines were also fairly high-revving with a redline of 7500 rpm for 1991 through 1996 models, 6950 rpm for the 1999 model, and 6750 rpm for 2000-2002 models.[citation needed]Due to the SR20DE engine's flexibility, reliability, fuel economy and high power-handling capabilities, as well as a low buy-in cost, pre-owned NX2000, SE-R powered Sentras/200SXs and G20s have become popular and prominent in the "tuner" or "import scene" subculture.[citation needed]

There were three major variants of the SR20DE used in the G20. The first, used from July 1990 to December 1993, was the highport, in which the injectors and fuel rail were located above the intake plenum. In January 1994, due to tightening emissions restrictions, Nissan switched to a lowport design, in which the injectors and fuel rail switched places with the intake plenum. This design also featured a milder intake camshaft. (Switching it out for the highport intake cam is a popular upgrade to gain more power.) This design was used from 1994 to 1996 and again in 1998. In 1999 Nissan replaced the valvetrain with a roller-rocker arm lifter design in place of the hydraulic rocker arm previously used, but kept the lowport intake design; many performance parts are not interchangeable between roller-rocker and highport/lowport engines, most notably camshafts.


The G20 featured either a 5-speed manual transmission or an optional 4-speed automatic. Most front wheel drive transmissions from other SR-powered cars can be used with few modifications. The stock transmission as well as other SR20 transmissions are often upgraded with various modifications in order to handle more power. Common manual transmission modifications include cryo treating, shot peening, transmission case welding, aftermarket limited slip differential, aftermarket axles, and upgraded clutches. Common automatic transmission modifications include built valve bodies, aftermarket torque converters, automatic transmission fluid (ATF) coolers, additional ATF filters, and aftermarket TCUs. Higher rated transmission swaps from front-wheel drive VQ or QR25DE powered cars such as the 2002–2006 Nissan Sentra SE-R Spec-V have also been performed.[3]


The G20 was a badge-engineered version of the Nissan Primera, but because Infiniti was pitched as a premium brand, it featured a high level of equipment compared to its European and Japanese relatives. The only engine available was the 2.0 litre SR20DEInline 4-cylinder; in Europe this was the top-of-the-line engine for the Primera lineup. 5-speed manual and 4-speed automatic transmissions were both available, with the 5-speed being praised as "one of the best in the business."[4] Power windows, power locks, power mirrors, air conditioning, four-wheel disc brakes with ABS, alloy wheels, a Bose stereo, a theft-deterrent system, cruise control, floor mats, and a leather-wrapped steering wheel and gearshift knob were all standard. Heated mirrors, leather seats and a power moonroof were common options, and were later offered in a package that included power seats and keyless entry. Later models also featured dual front airbags. The standard trim was called Luxury. Two major trim package upgrades were offered: Touring, badged G20t, available from model years 1994 to 1996 and 1999 to 2001, and Sport (with no badge modification) which was offered during model year 2002. These packages featured a limited-slip differential in the transmission, sportier, more highly bolstered front bucket seats and fold-down rear seats, all-black leather interior, fog lamps, and a spoiler on the rear decklid. The details of these trims varied from year to year.

P10 model refresh changes[edit]

Introduced at the 1993 New York Auto Show, the main changes for the P10 came as a midyear refresh in April 1993 (model year 1993.5), when dual airbags replaced motorized seatbelts, leather interiors came standard with power front seats, matte-black side moldings were replaced by body-colored ones, the refrigerant was converted from R12 to R134a, the audio system was upgraded to six speakers with a CD player instead of the previously-standard cassette deck, and other new options such as remote keyless entry were added. In February 1994, the 1994 model year was given a new larger chrome-plated grille and door handles, a lowport engine (replacing the original highport SR20DE, in which the intake plenum is below the fuel injectors and fuel rail), a change in the vehicle's self-diagnostic system to OBD-II, and larger 195/65R14 tires. The Touring models, introduced in February 1994, featured a limited-slip differential in the transmission; 195/65R14 Yokohama tires, sportier, more highly bolstered black leather front bucket seats and fold-down rear seats; fog lights; and a spoiler on the rear decklid.[5]

The G20 was temporarily discontinued after the 1996 model year, leaving the I30 as Infiniti's lowest-priced car for the 1997 & 1998 model years.

Second generation (P11; 1998)[edit]

Motor vehicle

G20 (P11)
1999 Infiniti G20t, red (front left).jpg
Also calledNissan Primera
Nissan Primera Camino
Model years1999–2002
AssemblyYokosuka, Kanagawa, Japan (Oppama Plant)
Body style4-door sedan
LayoutFF layout
Engine2.0L SR20DEI4 140 hp (104 kW) (1998–1999)
2.0L SR20DEI4 145 hp (108 kW) (1999–2002)
Wheelbase102.4 in (2,600 mm)
Length177.5 in (4,510 mm)
Width66.7 in (1,690 mm)
Height55.1 in (1,400 mm)
Curb weight2,913 to 2,981 lb (1,321 to 1,352 kg)
Nissan Primera Camino, the Japanese equivalent of the Infiniti G20

The second-generation G20 underwent several changes, including adopting the multi-linkbeam rear suspension very similar to the 1995–1999 Nissan Maxima with a continued use of the independent multi-link strut front suspension of the P10 (similar to the 300ZX and Skyline GT-R). Despite enthusiasts' aversion to the beam, several publications praised the updated G20,[4] as a technically good method of avoiding lateral suspension movement (which would compromise handling) while still offering a compliant ride.[6] The P11 has a lateral grip figure of between 0.80 and 0.94g and a 61% front/39% rear weight distribution. It grew in size, with a 2.7-inch (69 mm) length increase and 0.4-inch (10 mm) height increase over the P10, resulting in 1.4 inches (36 mm) more legroom for rear-seat passengers.[4] The new model's increased size and luxury options, however, added to the car's weight (which rose to 3000 pounds);[4] the stock 140-145 horsepower engine provided lower performance (the MY1999 automatic, for example, had a 10.9-second 0-60 mph time and did the quarter-mile in 18.4 seconds at 77 mph (124 km/h).[4]

The first example of the second-generation G20 rolled off the Oppama assembly line on May 18, 1998, going on sale in July 1998 as a 1999 model. The final second-generation 2002 G20 was assembled on January 11, 2002, and the G20 slowly phased out during the first quarter of 2002, in being replaced by the 2003 model year rear-wheel drive G35 sports sedan. All models featured a higher level of standard equipment than the P10, including automatic climate control on all but cloth-seat Luxury models, 15" 16-spoke alloy wheels, a higher-quality double-DIN Bose radio/CD/cassette player standard, keyless entry, standard power moonroof on all but cloth seat luxury models, and later, side-impact airbags. The Touring models continued to feature a limited-slip differential, but also had unique 12-spoke alloy wheels, and the upgraded sports seats were now available in beige leather and "sport cloth" (the latter as a factory-order option) in addition to the previously-offered black leather.

P11 model refresh changes[edit]

In late 1999, several noteworthy changes for the P11 came as a refresh in the 2000 model year, when the 145 crank horsepowerroller rocker variant of the SR20DE engine was implemented, newer automatic and manual transmission variations were introduced, anti-theft immobilizer circuitry was added, anti-glare side mirrors became standard, and a remote trunk release was added to the keyless entry fob. In 2001, the G20t was dropped and a Sport model was introduced. In addition to the prior G20t's limited slip differential and decklid spoiler, this model featured two-tone leather/suede sport seats, 16" wheels, and a variety of minor cosmetic modifications. The 2002 base G20 received the 12-spoke Touring alloy wheels as standard.

End of production[edit]

The G20 was discontinued in favor of the rear wheel drive Infiniti G35, a badge engineered export version of the JDMV35 Nissan Skyline which was introduced in Japan in 2001. The G35 received significant praise from the automotive press and became a sales success for Infiniti despite being priced approximately US$7,000 above the G20's average MSRP of $23,000. The G35, significantly larger and more powerful than the G20, was aimed more at the entry level premium-sports sedan market instead of the G20's premium-sport compact market. The Nissan Primera was continued outside the United States in a lightly restyled model, followed by the all-new P12 Primera with a final end of production in 2006 as a 2007 model.

Third generation (V35; 2002)[edit]

Motor vehicle

G35 (V35)
Also calledNissan Skyline
ProductionJanuary 2002–August 2006 (sedan)
June 2002–May 2007 (coupe)
Model years2003-2006 (sedan)
2003-2007 (coupe)
AssemblyKaminokawa, Tochigi, Japan
DesignerHiroshi Hasegawa (sedan: 1998, coupé: 2000)[7]
Body style4-door sedan
2-door coupe
LayoutFront engine, rear-wheel drive / four-wheel drive
PlatformNissan FM platform
RelatedInfiniti FX
Infiniti M
Nissan 350Z
Nissan Stagea
Engine3.5 L (3,498 cc) VQ35DEV6
Power output194 kW (260 hp; 264 PS)
210 kW (282 hp; 286 PS)
222 kW (298 hp; 302 PS) (6MT only, 2005-06 sedans, 2005-07 coupés)
Transmission5-speed RE5R05A JATCO Automatic
6-speed Manual
Wheelbase2,850 mm (112.2 in)
Length4,630 mm (182.3 in) (coupe)
4,735 mm (186.4 in) (sedan)
Width1,815 mm (71.5 in) (coupe)
1,750 mm (68.9 in) (sedan)
Height1,390 mm (54.7 in) (coupe)
1,465 mm (57.7 in) (sedan)
Curb weight3,373 lb (1,530 kg) (coupe 6MT)[8]
3,395 lb (1,540 kg) (coupe 5AT)[8]
3,395 lb (1,540 kg) (sedan 5AT)
3,351 lb (1,520 kg) (sedan 6MT)[9]

The third generation G (V35) was unveiled in June 2001 and released to North America for the 2003 model year, as the G35 on March 12, 2002. It had little in common with the Infiniti G20, and continued in the same tradition as the original Infiniti M and the J30, which were also RWD models utilizing the same drivetrain as contemporary Nissan Zs. According to Carlos Ghosn, CEO of Nissan Motors, the letter G was chosen "for marketing purposes and its similarity in sound to the letter J", apparently in deference to the Infiniti J30.[citation needed]Hiroshi Hasegawa designed both the sedan (frozen in 1998) and coupé (finalized in late 2000), with the former being previewed as the Nissan XVL Concept sports sedan in October 1999 at the Tokyo Motor Show and Infiniti XVL Concept in January 2000 at the NAIAS. Over 6 months prior to the Nissan XVL Concept introduction, in early April 1999 at the 1999 New York International Auto Show, Infiniti showcased a prototype of the V35 to journalists as part of an early preview of various other 2001 and 2002 model year Infiniti vehicles.[10]


The G35 was based on the Nissan FM platform shared with the Nissan 350Zsports car and Infiniti FXcrossover SUV. The FM platform stands for "front midship" design where the engine is moved back towards the rear of the engine bay which in turn improves the weight distribution. The G35 was Motor Trend's Car of the Year for 2003 and has been well received by both the media and customers as a viable alternative to other luxury cars. The G35 was also nominated for the North American Car of the Year award that year and was on the Car and Driver Ten Best list for 2003 and 2004.

Sporting the ubiquitous VQ35DE engine, the Infiniti G35 uses a front-midship engine, rear-wheel drive layout (all-wheel drive is available for the G35x sedan) to achieve a 52% front/48% rear weight distribution. Both body styles are available with either a 5-speed automatic (JATCO RE5R05A) Tiptronic or 6-speed manual transmission, although the automatic is the only transmission available for the AWD sedan.

A 6-speed manual transmission became available in 2003 on the sedan (always optional on the coupe). For the 2003-04 model years, the V6 produced 194 kW (264 PS; 260 hp) and 353 N⋅m (260 lb⋅ft) of torque in the sedan, 209 kW (284 PS; 280 hp) and 366 N⋅m (270 lb⋅ft) in the coupe. In the 2005 and 2006 model years (sedan, 2005-2007 for the coupe), those with automatic transmissions (both sedan and coupe) produced 209 kW (284 PS; 280 hp) and 366 N⋅m (270 lb⋅ft) of torque, while those with manual transmissions produced 222 kW (302 PS; 298 hp) and 350 N⋅m (258 lb⋅ft) of torque (again, both in sedan and coupe form). There is speculation that the output did not actually change, and that Infiniti was simply taking advantage of the outdated SAE standard of rating horsepower. However, manual transmission cars received a slightly different engine versus those fitted with automatics; manual cars had engines fitted with variable valve timing on both intake and exhaust camshafts, whereas automatic cars only have VVT on the intake side. The G35 is assembled in Kaminokawa, Tochigi, Japan, and the first G35 was built in January 2002 as a 2003 model.

The AWD model of the G35 sedan is called the G35x. Although the automatic transmission for the G35x is manufactured by Aisin-Warner, the AWD technology uses Nissan's proprietary ATTESA E-TS AWD system. The system will make the car 100% rear wheel drive when driving at a steady speed. When the driver uses the throttle to accelerate from a stop or constant speed, the AWD system can send up to 50% of torque to the front wheels. When the car's speed becomes steady again, the drivetrain will return torque to the rear wheels. The AWD system will also transfer torque to the front wheels if the system detects loss of traction. This technology was first used in the 1989 Nissan Skyline GT-R, and has since been used in subsequent Skylines, and other vehicles in Japan and overseas, including the Nissan Bluebird, and Nissan Stagea. There are few differences between the 2003 & 2004 G35 coupes. Both '03 & '04 six-speed manual models had the option of Brembo brakes and the Performance Tire and Wheel Package. On the 2005 coupes, three new colors, 'Athens Blue', 'Lakeshore Slate', and 'Serengeti Sand', replaced 'Twilight Blue', 'Caribbean Blue', and 'Desert Platinum' respectively; also, the Willow Cloth interior option was removed, and Stone leather became available.

The Infiniti G35 was successfully campaigned in drifting by Team Falken. In the United States, Calvin Wan's twin-turbo G35 won him numerous Formula DRIFT accolades during its 2004-2007 life cycle, while in Europe, Paul Cheshire competed at many events for Team Falken with his heavily modified 2JZ-GTE powered V35, notably at the Nurburgring Circuit in Germany.[11]

2005 and 2006 refreshes[edit]

The G35 sedan was refreshed inside and out for the 2005 model year and the coupe for the 2005 and 2006 model years. The interior was given sportier gauges with better backlighting and higher quality trim and knobs. Genuine aluminum trim replaces "tinted" interior trim, and the dash and center console layout were revised. Rosewood trim becomes available as a package on the 2005 models. MP3/WMA playback was added to the now standard 6 disc in-dash CD player, and the cassette player was removed. Brembo brakes were removed for the 2005 and 2006 models, and the brakes were redesigned with larger discs and a different caliper design. This was partly in response to a number of complaints about the previous years' brakes, which included a class action lawsuit filed in California related to premature wear on 2003–2004 models.[12][13] A sport-tuned suspension package was standard on all six-speed manual equipped models, which included a viscous limited slip differential and the higher output VQ35DE "Rev-UP" engine. The 2006 models received minor updates. On the exterior there were new headlights, taillights, spoiler, sport side sills, and front bumper.[14]Bluetooth capability was added to the interior for hands-free phone use. Rear active steering was an option for the '06 coupe.

Fourth generation (V36; 2007)[edit]

Motor vehicle

G25, G35 and G37/ Q40 (V36)
Infiniti G sedan.jpg
Also calledNissan Skyline
Infiniti Q60 (2013–2015 coupe and convertible)
Infiniti Q40 (2014–2015 sedan)
ProductionSeptember 2006–June 2015 (sedan)
June 2007–2015 (coupe)
2009–2015 (convertible)
Model years2007–2015 (sedan)
2008–2015 (coupe)
2009–2015 (convertible)
AssemblyKaminokawa, Tochigi, Japan
DesignerHideo Komuro (sedan: 2004); Shinichiro Irie (coupe: 2005, convertible: 2007)
Body style2-door coupe
4-door sedan
2-door convertible
LayoutFront engine, rear-wheel drive / all-wheel drive
PlatformNissan FM platform
RelatedNissan 350Z
Nissan 370Z
Infiniti EX
Infiniti FX
Infiniti M
Engine3.5 L VQ35HRV6 306 hp (228 kW) (2007–2008 sedan)
3.7 L VQ37VHR V6 330 hp (250 kW) (2007–2015 coupe)

3.7 L VQ37VHR V6 328 hp (245 kW) (2009-2015 sedan)
3.7 L VQ37VHR V6 348 hp (260 kW) (2010–2015 IPL coupe)

2.5 L VQ25HR V6 218 hp (163 kW) (2010–2012 sedan)
Transmission6-speed manual
5-speed RE5R05Aautomatic (2007–2008 sedan, 2008 coupe)
7-speed RE7R01A automatic (all models, 2009—2015)
Wheelbase112.2 in (2,850 mm)
Length183.1 in (4,651 mm) (coupe)
187.0 in (4,750 mm) (sedan)
183.3 in (4,656 mm) (convertible)
Width72.9 in (1,852 mm) (convertible)
71.8 in (1,824 mm) (coupe)
69.8 in (1,773 mm) (sedan)
55.1 in (1,400 mm)
54.8 in (1,392 mm) (AT)
54.9 in (1,394 mm) (MT)
57.2 in (1,453 mm) (RWD)
57.8 in (1,468 mm) (xAWD sedan) & 57.6 in (1,463 mm)
Curb weight3,628 lb (1,646 kg) to 4,149 lb (1,882 kg)

The five-year development program for the V36 began in 2002, with conclusion in 2006 for the sedan and 2007 for the coupe. Design work started in 2003 and continued into 2004, when Hideo Komuro's design was chosen for the sedan. The coupe design process was later completed in the first half of 2005, with a conceptual variant being readied for public introduction. The redesigned Infiniti G sedan and coupe were introduced for the 2007 and 2008 model years, respectively. The fourth generation G sedan was launched in November 2006 as a 2007 model with a heavily revised 3.5 L VQ35HR engine and a 5-speed automatic as the standard transmission, a 6-speed manual was also available. The redesigned second generation G coupe launched in August 2007 as a 2008 model with a larger 3.7 L VQ37VHR, the first Infiniti engine to feature VVEL. It too came with either a 5-speed automatic or 6-speed manual. All manual G models include a sport package. The 2009 G37 convertible was launched in June 2009. The 2009 model G sedan followed suit using the same VQ37VHR engine. Also for 2009 the 5-speed automatic was replaced with an all-new 7-speed and both the sedan and coupe gained a self-healing paint finish from the Infiniti EX. The V36 platform continued for 2010 with numerous interior changes and upgrades as well as a mid-product cycle exterior update for the sedan. In late 2010 the Infiniti G25 went on sale as a 2011 model, featuring a smaller 2.5L version of the VQVHR engine to allow the G to better compete with the Lexus IS250 and BMW 328i.

Pre facelift models[edit]

2007–2008 G35 Sedan[edit]

The G35 sedan underwent a major revision for the 2007 model year. This 2nd generation front-mid (FM) platform underpinning the new G is shared in part with the Infiniti M and has several structural reinforcements around the engine and rear floor area, along with three times more laser welding and 16 percent more spot welds than the old version; overall body stiffness was improved by 40 percent. Single-pivot lower control arms in front replace the 1st gen model's twin lower links. The G35x sedan uses an ATTESA E-TS all-wheel drive system.

Along with these chassis refinements, Sport package equipped models came with firmer rear shocks, bigger front brake calipers, and larger 13-inch (330 mm) rotors all around (up from 12.6/12.1-inch front/rear). Sport package equipped cars also get a viscous limited slip differential. An all-new Active Steering package can be ordered for sport package equipped models. It features a planetary gearset on the steering shaft (similar to BMW), that varies the steering ratio between 12.0:1 and 18.5:1. A rear-wheel steering system that induces up to one degree of rear steer is also included in this package. The Active Steering package includes even stiffer shocks than the sport package at all four corners and the ride has been repeatedly reported as being too stiff for most customers except the most "enthusiastic" drivers. Base and Journey model 17 inch wheels were fitted with wider 225 section tires (up from 215), while the 18 inch wheel upgrade (included in sport or wheel package) with 225/50-ZR18 front and 245/45-ZR18 rear is now a size smaller in front and larger in back than the 1st gen model's all-around 235/45R18s.

The updated VQ35HR is more powerful (306 hp (228 kW) at 6,800 rpm and 268 lb⋅ft (363 N⋅m) at 4,800 rpm), more fuel efficient, and more responsive than the previous VQ35DE. The "HR" stands for "High Revolution" or "High Response". A dual-path intake (two air cleaners, throttle bodies, etc.) lowers intake tract restriction by 18 percent and new equal-length exhaust manifolds lead into mufflers that are 25 percent freer flowing. The intake is said to benefit from a ram-air effect adding three horsepower at 60 mph. Electrically actuated variable valve timing is new on the exhaust cams which broadens the torque curve. The new engine block maintains the same bore and stroke, but the connecting rods were lengthened and the block deck was raised by 8.4 mm to reduce piston side-loads. 80% of the internal components have been strengthened or redesigned to handle the increased 7,500 rpm red line, along with the use of larger crank bearings with main bearing caps reinforced by a rigid ladder-type main cap girdle. With an increase in compression ratio from 10.3:1 to 10.6:1 these changes add 26 more horsepower. Torque is down 2 pound force-feet (2.7 N⋅m) from the old DE engine (268 vs. 270). The engine now sits 15 mm lower in the chassis for a lower center of gravity.

Although the horsepower rating increases only 8 hp compared to the latest version of the previous "DE" engine, the real horsepower difference was much greater due to Nissan adopting the 2006 SAE hp measurement guidelines for horsepower ratings in 2007. According to Consumer Reports an Infiniti G35 Journey sedan with a 5-speed Automatic transmission can reach 0–60 mph (0–97 km/h) in 5.4 seconds, and the 1/4-mile (~400 m) 13.8 seconds. According to the also newly revised EPA guidelines, fuel economy is estimated at 17 mpg‑US (14 L/100 km; 20 mpg‑imp) in the city and 24 mpg‑US (9.8 L/100 km; 29 mpg‑imp) on the highway.[15] Fuel economy is virtually identical between generations, with the second generation earning a 1-mile-per-US-gallon (0.43 km/L; 1.2 mpg‑imp) edge in highway driving (both measured using EPA 2008 guidelines).[16]

Second generation G35 performance: According to Motor Trend[17] and Automobile Magazine,[18] a previous model 2005 G35 6MT sedan reached 0-60 mph in 5.7 seconds and the 1/4-mile in 14.1 seconds. This gives the new 2nd gen G35 V36 sedan a solid 0.4 and 0.3 second performance advantage respectively. 5-speed automatics are on par with manual transmission cars from a performance perspective. In a 2008 Road & Track comparison test with the new 2008 Cadillac CTS a 5-speed automatic transmission equipped G35 sedan achieved a 0-60 mph time of 5.3 seconds, a 0-100 mph time of 13.1 seconds and a 1/4-mile time of 13.8 seconds at 102.9 mph (165.6 km/h). Generally a V36 G35 reaches 60 mph in the low 5 second range; 100 mph in around 13 seconds and runs the quarter-mile in about 13.8 seconds. The 200 lb heavier all wheel drive versions are only approximately 0.3 seconds behind in each of these measurements.

Models (including the since 2009 G37):

  • G35/G37 - 3.5/3.7 L V6, 306 hp (228 kW) / 328 hp (245 kW),
  • G35/G37 Journey - 3.5/3.7 L V6, 306 hp (228 kW) / 328 hp (245 kW), weight 3,628 lb (1,646 kg)
  • G35x/G37x AWD - 3.5/3.7 L V6, 306 hp (228 kW) / 328 hp (245 kW) 4WD, weight 3,882 lb (1,761 kg)
  • G35/G37 Sport 6MT - 3.5/3.7 L V6, 306 hp (228 kW) / 328 hp (245 kW), weight 3,709 lb (1,682 kg)
  • G37 Convertible - 3.7 L V6, 325 hp (242 kW), weight 4,083 lb (1,852 kg)
  • G37 Convertible Sport 6MT - 3.7 L V6, 325 hp (242 kW), weight 4,149 lb (1,882 kg)

In addition, a special edition of the G37 was entered into the SEMAGran Turismo Awards in 2008.

Infiniti Coupe Concept (2006)[edit]

Developed from mid-2005 to November 2005, it was a concept vehicle that previewed the design of the V36-based G coupe. It included a full-length glass panel roof, modulated front fenders and hood, deep front spoiler and large projector headlights, polished bare metal-look paint, compact camera outside rearview mirrors, hidden door handles and large 20-inch, 9-spoke painted aluminum-alloy wheels.

The vehicle was unveiled in the 2006 North American International Auto Show.[19]

2008 G37 Coupe[edit]

Infiniti G37 S coupe (Europe)

In 2007, the redesigned G coupe was unveiled at the 2007 New York International Auto Show[20] and was available for sale as a 2008 model.[21] Unlike the 2007 and 2008 G sedan it was given the new 3.7 L 330 hp (246 kW) V6VQ37VHR engine but for this one model year still paired with the 5-speed automatic transmission and was named the "G37." In Japan, the G37 joined the updated G Sedan under the Nissan Skyline (V36) nameplate.[22] This also marks the first use of Nissan's VVEL (Variable Valve Event and Lift) system on a production vehicle in the US market.

2009-2013 G37 Sedan and Coupe[edit]

G35/37 transmission gear ratios.

For the 2009 model the G35 sedan was replaced by the G37 sedan. The G37 sedan was first unveiled at the Geneva Motor Show for the European market.[23] Exterior, interior and options remain identical to the 2008 G35 model range but the sedan now also sports the 3.7-liter VQ37VHR "VVEL" V6, rated 328 hp (245 kW) at 7,000 rpm and 269 lb⋅ft (365 N⋅m) at 5,200 rpm that was previously introduced in the G37 Coupe. Although the engine gains only 0.2 kg⋅m (2 N⋅m; 1 lb⋅ft) torque over the VQ35HR and this torque value arrives at a later 5,200 rpm vs. 4,800 in the VQ35HR, the torque curve itself is improved and flattened across the rpm range via Nissan's new VVEL (Variable Valve Event and Lift) variable valve timing resulting in better throttle response and low rpm torque. The G37s VQ37VHR engine has been touted by car magazines and reviewers as an improvement over the VQ35HR engine mostly adding much more refinement and smoother engine operation, especially at high rpm where the VQ35HR engine was frequently criticized for NVH and sounding strained, harsh and loud. The often criticized too aggressive clutch engagement, notchiness of the 6-speed manual in the G35 and engine vibrations transferred through the shifter and pedals in the G35 6MT cars was also addressed in the new G37 models.

The 2009 Infiniti G37 Anniversary Art Project Vehicle

All 2009 models came standard with Infiniti's new seven-speed automatic transmission that was also introduced on the 2009 FX35 and FX50, updated from the previous five-speed transmission. The G37 Sedan or Coupe could be equipped with a six-speed manual transmission by specifying the Sport 6MT model. The Base, Journey and X models could not be ordered with manual transmissions, however the Sport Package included all sport options of the 6MT model (excluding the manual transmission and the hand lever parking brake), and was available for the Journey and X models.

The 2009 sport package (standard on Sport 6MT cars, optional on Journey and X models) now also included larger sport brakes with 4-piston front/2-piston rear calipers with 14-inch (360 mm) ventilated front rotors and 13.8-inch (350 mm) ventilated rear rotors, a new sport wheel design 18-inch (460 mm) for the Sedan and 19-inch (480 mm) on the Coupe, and Viscous Limited-Slip Differential (VLSD). The Sport Package on G37 x AWD Sedans does not include the larger opposed piston brakes, nor does it include the more aggressive steering rack, VLSD, or sport tuned suspension (the same package for AWD Coupes includes everything from the RWD version, save the more aggressive steering rack). Brakes on non-Sport models are front 13-inch (330 mm) ventilated discs and rear 13-inch (330 mm) ventilated discs with sliding calipers. The G37 is available as G37, G37 Journey, G37S 6MT and G37x AWD models. Major option packages remain to be the Premium Package, Sport Package, Nav Package, Tech Package. All 2009 models come standard with self healing "Scratch Shield" paint which employs a soft polymer top coat that can self heal small scratches and swirl marks.

Even though the final drive ratio for vehicles equipped with the 7-speed automatic has been (numerically) reduced from 3.69 to 3.36, the new 7-speed automatic has much lower first through fourth gear overall ratios than the old 5-speed automatic and the 6-speed manual in the 6MT cars (which retain the old 3.69 final drive ratio). Giving it closer gear ratios in all gears, to match engine rpm better with power demand, brings better acceleration while overdrive ratios in 6th and 7th gears reduces highway cruising rpm and improves fuel mileage. The new 7-speed automatic retains the Drive Sport (DS) shift mode and Downshift Rev Matching (DRM) feature of the previous 5-speed automatic.[24] Paddle shifters are standard on G37S models equipped with the 7-speed automatic. The new engine/transmission combo did add some weight the car (3,590 lb. for the G37 vs. 3,508 for the G35 in identical trim).

The G37x Coupe uses an ATTESA E-TS all-wheel drive system.

The G37 coupe and sedan were set on sale in September 2008 as 2009 models.[25]

The G37x Coupe and G37 sedan were unveiled in the 58th annual Pebble Beach Concours d'Elegance.[26] Pictures of G37 convertible was first shown in Monterey, while the vehicle itself would be unveiled in the 2008 Los Angeles Auto Show in November.[27]

The 2009 Infiniti G37 Anniversary Art Project Vehicle - This is a version of G37 Sport Coupe inspired by Cirque du Soleil to commemorate Infiniti's 20th anniversary. The vehicle was designed by Montreal artist Heidi Taillefer. The vehicle was set on tour at various Cirque du Soleil shows and other events, with eventual vehicle sale at charity auction.[28]

2009-2013 G37 Convertible[edit]

G37 Convertible was introduced in June 2009 media release as a 2009 model on the V36 FM platform and is only from a design perspective based on the G Coupe.[29] The G Convertible came equipped with a standard 325 hp (242 kW) 3.7-liter V6, backed by a choice of a 7-speed automatic transmission with available magnesium paddle shifters or a responsive close-ratio 6-speed manual transmission. The G Convertible has a curb weight of 4,149 lb (1,882 kg).


The facelift model 2011 G37 Convertible (US)
2010-2011 Infiniti G37 sedan (Germany)

From November 2009, a facelift for the 2010 model year G Sedan commenced production and went on sale in January 2010. Changes include a revised fascia with fog lamps moved from the head light cluster to the more traditional separate housings, a new grill for the sedan mimicking the one from the coupe, a new optional navigation system for both the coupe and sedan (revised from the optional system available with the 2008 and 2009 G37s). Other minor changes included new interior colors, trim, and lighting design for the dash and center display. Several items that were options on the 2008 and 2009 models became standard on the 2010 G37s.[30]

In a March 2010 comparison test by Car and Driver, the Infiniti G37 Convertible came in third place out of four cars in a convertible comparison behind the BMW 328i and Audi A5.[31]

2010 model year refresh brought in revised headlight shape, along with a grille more similar to that of the coupe variant.

In July 2010, the Coupe and Convertible received a refresh for the 2011 model year.


The G-series was renamed Q40 for its final year. Other changes included a redesigned trunk lid emblem and reduced body color options to four (Liquid Platinum, Graphite Shadow, Black Obsidian and Moonlight White).

Models for the United States went on sale for the 2015 model year. Early models included 3.7, 3.7 AWD.[32]

2011-2012 Infiniti G25[edit]

Infiniti debuted the G25 sedan at the 2010 Paris Motor Show. The G25 was powered by a 2.5 L V6 VQ25HR producing 218 hp (163 kW) and 187 lb⋅ft (254 N⋅m) of torque. In a Motor Trend 2012 comparison the Infiniti accelerated from 0-60 mph in 7.5 seconds, over 2 seconds slower than the G37.[33] The G25's JDM relative, the Nissan Skyline 250 GT Sedan which features the same engine, had been on sale for several years already.

Priced lower than the G37, the G25 was aimed to compete with entry-level luxury rivals such as the Lexus IS250, Audi A4 and BMW 328i. Compared to the G37, other than a smaller engine and fewer options (no six-speed manual transmission available, no Navigation, no Premium or Technology packages in the U.S. market), the G25 was otherwise identical and features a choice of rear-wheel drive or ATTESA all-wheel drive.

2011 Infiniti G37 Coupe IPL

In 2012, the G25 was discontinued in the United States.

Infiniti Performance Line (IPL)[edit]

In July 2010 Infiniti released its new performance division, Infiniti Performance Line (IPL). The debut IPL offering is the G37 Coupe for 2011 model year, and later the G37 Convertible. The IPL models featured a retuned engine producing 348 hp (353 PS; 260 kW) at 7400 rpm and 276 lb⋅ft (374 N⋅m) at 5200 rpm of torque.[34] Performance improvements included a redesigned exhaust system, sportier suspension tuning, as well as a more direct steering feel. Design changes were made to the exterior including more aggressive front/rear bumpers and sideskirts, sportier 19 inch alloy wheels, and larger exhaust tips.[35] Inside, the G37 IPL has red Monaco leather seats. The IPL G37 Coupe and Convertible are only available in 2 colours; Graphite Shadow gray metallic and Malbec Black. Like the regular models, the G37 IPL was also renamed Q60 IPL beginning 2014 model year.


Infiniti Q40[edit]

The Infiniti G sedan was renamed to Q40 for the production period between June 2014 and June 2015. The G/Q40 sedan went largely unchanged for its final year and final production run in 2015.

Infiniti Q50[edit]

Main article: Infiniti Q50

For the 2014 model year, the all new Q50 sedan was sold alongside the fourth generation G/Q40, marketing the Q40 as a lower cost option.[37] The Q50 sedan was code-named "V37" and made its debut at the 2013 North American International Auto Show (NAIAS).

Infiniti Q60[edit]

Main article: Infiniti Q60

The Infiniti Q60 is the coupe and convertible replacement for the Infiniti G37 coupe and convertible, and was released in July 2013.


1991–1996 1999-2002 2002–2006 2006–2007 2007–2008 2008–2009 2009–2010 2010–2015
Generation P10 P11 V35 V36 (sedan) V36
V35 (coupe)
Engine SR20DE 2.0 L (120 cu in) I4
140 bhp (104 kW)
132 lb⋅ft (179 N⋅m)
SR20DE 2.0 L (120 cu in) I4
145 bhp (108 kW)
136 lb⋅ft (184 N⋅m)
VQ35DE 3.5 L (210 cu in) V6
260 bhp (194 kW)
260 lb⋅ft (353 N⋅m)
280 bhp (209 kW)
270 lb⋅ft (366 N⋅m)
VQ35DE 3.5 L (210 cu in) V6
298 bhp (222 kW)
258 lb⋅ft (350 N⋅m)
280 bhp (209 kW)
270 lb⋅ft (366 N⋅m)
VQ35HR V6 306 bhp (228 kW)
268 lb⋅ft (363 N⋅m)
VQ37VHR 3.7 L V6 328 hp (245 kW) 269 lb⋅ft (365 N⋅m)
VQ35DE V6 298 bhp (222 kW)
270 lb⋅ft (366 N⋅m)
VQ37VHR 3.7 L V6 330 hp (246 kW) 270 lb⋅ft (366 N⋅m)
Transmission 5-speed Manual, 4-speed Automatic 6-speed Manual, 5-speed Automatic 6-speed Manual, 7-speed Automatic
Curb Weight 2,535 lb (1,150 kg)-2,818 lb (1,278 kg)
(depending on options)
2,913 lb (1,321 kg)-2,981 lb (1,352 kg)
(depending on options)

Coupe 5AT:
3,416 lb (1,549 kg)-3,422 lb (1,552 kg)
Coupe 6MT:
3,435 lb (1,558 kg)
Sedan 5AT:
3,336 lb (1,513 kg)-3,677 lb (1,668 kg)(AWD)

Coupe 5AT:
3,505 lb (1,590 kg)
Coupe 6MT:
3,524 lb (1,598 kg)
Sedan 5AT:
3,449 lb (1,564 kg)-3,650 lb (1,656 kg)(AWD)

3,710 lb (1,683 kg)
3,701 lb (1,679 kg)
Convertible 6MT:
4,149 lb (1,882 kg)
Wheelbase 100.4 in (2,550 mm) 102.4 in (2,600 mm) 112.2 in (2,850 mm)
Length 174.8 in (4,440 mm) 177.5 in (4,510 mm) Sedan: 186.5 in (4,740 mm) Sedan: 187.0 in (4,750 mm)
Coupe: 182.2 in (4,630 mm) Coupe: 183.1 in (4,650 mm)
Width 66.7 in (1,690 mm) Sedan: 69.0 in (1,750 mm) Sedan: 69.8 in (1,770 mm)
Coupe: 71.5 in (1,820 mm) Coupe: 71.8 in (1,820 mm)
Height 54.7 in (1,390 mm) 55.1 in (1,400 mm) Sedan: N/A Sedan: N/A
Coupe: N/A Coupe: N/A


The current generation of the G features standard dual front airbags, front and rear side curtain airbags, and front side torso airbags. It was rated "Good" for each the "Front Offset" and the "Side Impact" crash tests while rated "Acceptable" for "Roof Strength" by the Insurance Institute for Highway Safety (IIHS).[38] However, an IIHS Status Report released in 2007, ranked the 2003-2004 Infiniti G35 as the safest car in the Luxury Mid-size category and the second safest vehicle overall, based on its observed fatal-accidents rate.[39]

Awards and recognition[edit]

The G has earned many automotive awards over its lifespan:

U.S. sales by calendar year[edit]

13,929 14,592 16,545 17,248 16,818 13,467 7,217 16,108
13,095 11,513 40,535 64,730 71,177 68,728 60,471 71,809 64,181 87,546
58,143 58,246 59,844 57,878 15,590 8,605 59


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  2. ^"Mamoru Aoki and Koji Nagano promoted to Nissan executive design directors - Car Design News". Archived from the original on January 1, 2014.
  3. ^"Auto to 6spd Starts". 2007.
  4. ^ abcdeWinfield, Barry (September 1998). "Infiniti G20". Car and Driver.
  6. ^Coleman, Dave (November 1998). "Technobabble: Multilink and the Beam". Sport Compact Car. Archived from the original on March 5, 2007.
  7. ^"Archived copy"(PDF). Archived from the original(PDF) on June 1, 2013. Retrieved July 13, 2014.CS1 maint: archived copy as title (link)
  8. ^ ab"日産:スカイライン クーペ 主要諸元". November 8, 2004. Retrieved September 2, 2012.
  9. ^"日産:スカイライン セダン 主要諸元". November 8, 2004. Retrieved September 2, 2012.
  10. ^"Nissan Shows Early Fruits of Renault Union".
  11. ^"Ultimate Infiniti G35 Guide – Everything You Need to Know". June 14, 2019.
  12. ^"Consumer complaints about Infiniti Brakes". Retrieved October 10, 2010.
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  14. ^"Infiniti Announces Pricing on 2005 G35 Sedan and Coupe". Motor Trend. October 2004. Retrieved May 3, 2008.
  15. ^"Archived copy". Archived from the original on June 14, 2011. Retrieved November 4, 2008.CS1 maint: archived copy as title (link)
  16. ^"2008 Fuel Economy Tests". Retrieved October 10, 2010.
  17. ^Reynolds, Kim (June 2005). "Road Test: Rear Drive vs. Front Drive vs. All-Wheel Drive". Motor Trend. Retrieved May 5, 2008.
  18. ^Lorio, Joe (August 2005). "2005 BMW 330i, 2005 Cadillac CTS, and 2005 Infiniti G35". Automobile Magazine. Retrieved May 5, 2008.
  19. ^Waterman, Stuart (January 9, 2006). "UPDATE: Infiniti Coupe Concept - official photos and press release". Retrieved October 10, 2010.
  20. ^"2007 New York Auto Show Preview: Curvaceous 2008 Infiniti G37 Coupe To Debut". Inside Line. May 3, 2007. Archived from the original on September 30, 2007. Retrieved August 2, 2007.
  21. ^"Infiniti Announces Pricing on 2008 G37 Coupe". Nissan • Infiniti News Bureau. August 1, 2007. Archived from the original on September 28, 2007. Retrieved August 2, 2007.
  22. ^"Nissan Skyline Coupe Announced In Japan". Serious Wheels. April 24, 2007.
  23. ^"2008 Infiniti G37 Sedan". February 25, 2008. Retrieved October 10, 2010.
  24. ^"2009 Infiniti G37x Coupe Review".
  25. ^Harley, Michael (August 6, 2008). "Nissan confirms G37 Sedan, G37 Convertible and G37x Coupe". Retrieved October 10, 2010.
  26. ^Lavrinc, Damon (August 18, 2008). "Monterey 2008: Infiniti releases G37x coupe, G37 sedan, revised M35". Retrieved October 10, 2010.
  27. ^Nunez, Alex (August 16, 2008). "Infiniti G37 Convertible revealed ahead of L.A". Retrieved October 10, 2010.
  28. ^Filipponio, Frank (September 28, 2009). "Hand-painted G37 Coupe inspired by Cirque du Soleil commemorates Infiniti's 20th Anniversary". Retrieved October 10, 2010.
  29. ^"Nissan and Infiniti - ALL- NEW INFINITI G CONVERTIBLE ON SALE NOW FOR…".
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  31. ^"2010 Audi A5 2.0T Quattro vs. 2010 BMW 328i, 2009 Infiniti G37, 2010 Lexus IS350C". February 2021.
  32. ^2015 Infiniti Q40 Press Kit
  33. ^"By the Numbers: 2014 Infiniti Q50, G37, and G35 Sedans". Motor Trend. August 2, 2013. Retrieved November 22, 2017.
  34. ^"2010 Infiniti IPL G Coupé, 2011 MY US". Retrieved June 28, 2018.
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  38. ^Infiniti G IIHS safety ratings
  39. ^Drivers deaths by make and model: fatality risk in one vehicle versus anotherArchived September 15, 2012, at the Wayback Machine Insurance Institute for Highway Safety, Status Report, Vol. 42, No. 4, April 19, 2007.
  40. ^Infiniti History and Highlights: Inception to 2004. Concept Carz. 2004.
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External links[edit]

Press kit:


Now discussing:


The Infiniti G37 sedan and coupe may sit at the bottom of Infiniti’s lineup, but they are the most entertaining of all the company’s models. Serious horsepower, refined manners, and excellent handling make the G37 sedan and coupe strong players in their segments. Larger than their German competition from Mercedes-Benz and BMW, the Infinitis also offer more standard horsepower than the Europeans. The rear-drive chassis, closely related to Nissan’s 370Z sports car, offers responsive and entertaining handling that will impress even the most die-hard sports-car enthusiast. For those who suffer through harsh winters, the G37x (both coupe and sedan) adds all-wheel drive.

The current G sedan was redesigned for 2007, and the G37 coupe was revamped for 2008. Formerly known as the G35, the G37 sedan was born when it acquired the two-door’s larger and more powerful 3.7-liter engine for 2009. The only engine available in the G lineup, the 3.7-liter V-6 makes 328 hp in the sedan and 330 hp in the coupe. We’ve previously complained that the V-6 groans when strained and sends bad vibes through the shifter and pedals, but various tweaks have largely cured the big V-6 of its coarse nature. Acceleration is brisk with the six-speed manual or the new seven-speed automatic gearbox. Although the V-6 will happily rev to its 7600-rpm redline, the torque of the V-6 makes it just as content to loaf along at lower engine speeds.

Inside, both G37 models include leather seats and a handsome interior that uses superb high-quality materials. The coupe and the sedan have a sports-car-like seating position that reflects their sporting ambitions. Rear-seat comfort and space in the four-door are excellent, but the coupe’s low-slung roofline reduces rear-seat space significantly, as you might expect.

Although the G fell off our 10Best Cars list for 2008, the powertrain revisions and the increased refinement helped the model earn a spot on our 2009 10Best roster. In a comparison test, the 2008 G35 sedan placed second behind a BMW 328i and ahead of a Cadillac CTS and Mercedes-Benz C-class. The updated G37 is an even stronger contender.


The G37 coupe and sedan offer exceptional value, a refined and sporting driving experience, and more interior space than their German competition. Although the Infiniti can’t quite measure up to the dynamic grace of the best-in-class BMW 3-series, the G37 offers BMW 335i performance at a 328i price.

What’s New for 2009

For 2009, the G sedan and coupe get a new seven-speed automatic that replaces a five-speed automatic. Sedan versions get a more-powerful 328-hp, 3.7-liter V-6 and a host of powertrain revisions intended to improve refinement. All models have more standard equipment for ’09, and the larger brakes from the coupe debut on rear-wheel-drive Sport and Sport-package-equipped versions of the G37 sedan. A convertible version of the G37 coupe is new for 2009 as well; it will go on sale early next year.

Highlights and Recommendations

The G37 sedan has four trim levels, from the well-equipped $34,000 base version to the $36,500 G37x, which has all-wheel drive. Enthusiasts will gravitate toward the Sport trim level, which brings a manual transmission, a firmer chassis with larger wheels, and the coupe’s beefier brakes—all of which add up to even sharper performance.

With the exception of the Sport trim level, all G37 sedans come standard with the new seven-speed automatic. Most buyers will be satisfied with the base version or the more luxuriously equipped Journey trim level. Coupe versions command premiums of about $3000 over their four-door counterparts, and coupe trim levels mirror those of the G37 sedan. The coupe’s swoopy looks are attractive, but we’d find it hard to pass up the practicality and cost saving of the sedan model.


Dual front airbags, front-seat-mounted side-impact airbags, curtain airbags, front-seatbelt pretensioners, front-seat active head restraints, anti-lock brakes, electronic stability control, and tire-pressure monitoring are standard across the entire G37 range.

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