2003-2007 Infiniti G35: Technical Specifications
Updated: 11/23/08
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Specs for this generation Infiniti G include everything from fuel mileage to seating capacity to options availability.
Vehicle Dimensions
| Specification | 2-door coupe | 4-door sedan |
| Wheelbase, in. | 112.2 | 112.2 |
| Overall Length, in. | 182.2 | 186.5 |
| Overall Width, in. | 71.5 | 69.0 |
| Overall Height, in. | 54.8 | 57.7 |
| Curb Weight, lbs. | 3416 | 3336 |
| Cargo Volume, cu. ft. | 7.8 | 14.8 |
| Standard Payload, lbs. | -- | -- |
| Fuel Capacity, gals. | 20.0 | 20.0 |
| Seating Capacity | 4 | 5 |
| Front Head Room, in. | 39.2 | 40.1 |
| Max. Front Leg Room, in. | 43.8 | 43.9 |
| Rear Head Room, in. | 34.7 | 37.9 |
| Max. Rear Leg Room, in. | 31.4 | 36.2 |
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Specifications Key: NA = not available; "--" = measurement does not exist. |
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Powertrain Options and Availability
In the 2003-04 G35 sedan, Infiniti's 3.5-liter dual-overhead-cam V6 engine produces 260 horsepower, versus 280 horsepower in the G35 coupe. Both body styles could be equipped with either a six-speed manual gearbox or a five-speed automatic transmission. For 2005, automatic-transmission sedans moved up to the 280-horsepower engine, while manual gearboxes were accompanied by a new 298-hp version.
| Engines | cu. in |
Horse- power | Torque | Transmission: |
Consumer Guide Observed |
| dohc V6 | 3.5 / 214 | 260 | 260 | 6-speed manual: 20/27 5-speed automatic: 19/26 |
6-speed manual: -- 5-speed automatic: 17.9 |
| dohc V6 | 3.5 / 214 | 298 | 260 | 6-speed manual: 19/26 | 6-speed manual: -- |
| dohc V6 | 3.5 / 214 | 280 | 260-270 | 6-speed manual: 20/27 5-speed automatic: 19/26 |
6-speed manual: 17 5-speed automatic: -- |
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Specifications Key: NA = not available; "--" = measurement does not exist. |
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Built In: Japan
Drive Wheels: longitudinal front-engine/rear- or all-wheel drive








