Powertrain / Chassis
Type 5.7L V-8
Displacement (cu in / cc) 346 / 5665
Bore & stroke (in / mm) 25 x 23 / 99 x 92
Block material aluminum
Cylinder head material aluminum
Valvetrain OHV, 2 valves per cylinder
Fuel delivery sequential-port fuel injection
Compression ratio 10.1:1
Horsepower (hp / kw @ rpm) 350 / 261 @ 5200
Torque (lb-ft / Nm @ rpm) 365 / 495 @ 4000
Recommended fuel 92 octane
Maximum engine speed (rpm) 6200
Emissions controls catalytic converter/EGR
Estimated fuel economy
(mpg city / hwy / combined) TBD
Transmission 6-speed manual Hydra-Matic 4L60-E
Type 6-speed manual 4-speed electronic automatic FWD transverse
Gear Ratios (:1)
1st 2.97 2.92
2nd 2.07 1.57
3rd 1.43 1.00
4th 1.00 0.71
5th 0.84 -
6th 0.57 -
Reverse 3.28 2.30
Final drive ratio 3.46:1 3.46:1
Chassis / Suspension 2004 Pontiac GTO
Front independent MacPherson struts and progressive-rate springs
Rear independent semi-trailing control-link with gas pressure dampers
Steering type power assisted variable ratio rack-and-pinion
Steering ratio variable ratio
Steering wheel turns, lock-to-lock 3
Turning circle, curb-to-curb (ft / m) 36.1 / 11
Brakes 2004 Pontiac GTO
Type 4-wheel discs (ventilated front, solid rear), power assisted with 4-channel anti-lock braking system
Rotor diameter (in / mm) 11.7 / 11.3
Wheels and Tires 2004 Pontiac GTO
Wheel size & type
17-inch alloy
Tires P225/50R17
Impreza007
