2005 Pontiac Grand Prix GXP is a Sedan model with 4-speed shiftable automatic transmission. This is a front wheel drive model With a power of 303 HP and 323.00 ft lbs of torque. An urban consumption is 16.00 MPG. The engine has a capacity of 5.30L with V8 cylinders. To view detailed specifications like fuel consumption and dimensions, please scroll below.