2009-2013 G37 Sedan and Coupe Infiniti G-series (Q40/Q60)

g35/37 transmission gear ratios.

for 2009 model g35 sedan replaced g37 sedan. g37 sedan first unveiled @ geneva motor show european market. exterior, interior , options remain identical 2008 g35 model range sedan sports 3.7-liter vq37vhr vvel v6, rated 328 hp (245 kw) @ 7,000 rpm , 269 lb·ft (365 n·m) @ 5,200 rpm introduced in g37 coupe. although engine gains 0.2 kg·m (2 n·m; 1 lb·ft) torque on vq35hr , torque value arrives @ later 5,200 rpm vs. 4,800 in vq35hr, torque curve improved , flattened across rpm range via nissan s new vvel (variable valve event , lift) variable valve timing resulting in better throttle response , low rpm torque. g37s vq37vhr engine has been touted car magazines , reviewers improvement on vq35hr engine adding more refinement , smoother engine operation, @ high rpm vq35hr engine criticized nvh , sounding strained, harsh , loud. criticized aggressive clutch engagement, notchiness of 6-speed manual in g35 , engine vibrations transferred through shifter , pedals in g35 6mt cars addressed in new g37 models.

the 2009 infiniti g37 anniversary art project vehicle

all 2009 models came standard infiniti s new seven-speed automatic transmission introduced on 2009 fx35 , fx50, updated previous five-speed transmission. g37 sedan or coupe equipped six-speed manual transmission specifying sport 6mt model. base, journey , x models not ordered manual transmissions, sport package included sport options of 6mt model (excluding manual transmission , hand lever parking brake), , available journey , x models.

the 2009 sport package (standard on sport 6mt cars, optional on journey , x models) included larger sport brakes 4-piston front/2-piston rear calipers 14-inch (360 mm) ventilated front rotors , 13.8-inch (350 mm) ventilated rear rotors, new sport wheel design 18-inch (460 mm) sedan , 19-inch (480 mm) on coupe, , viscous limited-slip differential (vlsd). sport package on g37 x awd sedans not include larger opposed piston brakes, nor include more aggressive steering rack, vlsd, or sport tuned suspension (the same package awd coupes includes rwd version, save more aggressive steering rack). brakes on non-sport models front 13-inch (330 mm) ventilated discs , rear 13-inch (330 mm) ventilated discs sliding calipers. g37 available g37, g37 journey, g37s 6mt , g37x awd models. major option packages remain premium package, sport package, nav package, tech package. 2009 models come standard self healing scratch shield paint employs soft polymer top coat can self heal small scratches , swirl marks.

even though final drive ratio vehicles equipped 7-speed automatic has been (numerically) reduced 3.69 3.36, new 7-speed automatic has lower first through fourth gear overall ratios old 5-speed automatic , 6-speed manual in 6mt cars (which retain old 3.69 final drive ratio). giving closer gear ratios in gears, match engine rpm better power demand, brings better acceleration while overdrive ratios in 6th , 7th gears reduces highway cruising rpm , improves fuel mileage. new 7-speed automatic retains drive sport (ds) shift mode , downshift rev matching (drm) feature of previous 5-speed automatic. paddle shifters standard on g37s models equipped 7-speed automatic. new engine/transmission combo did add weight car (3,590 lb. g37 vs. 3,508 g35 in identical trim).

g37x coupe uses attesa e-ts all-wheel drive system.

g37 coupe , sedan set on sale in september 2008 2009 models.

g37x coupe , g37 sedan unveiled in 58th annual pebble beach concours d elegance. pictures of g37 convertible first shown in monterey, while vehicle unveiled in 2008 los angeles auto show in november.

the 2009 infiniti g37 anniversary art project vehicle - version of g37 sport coupe inspired cirque du soleil commemorate infiniti s 20th anniversary. vehicle designed montreal artist heidi taillefer. vehicle set on tour @ various cirque du soleil shows , other events, eventual vehicle sale @ charity auction.