This designation was featured on select Grand Prix and G6 models with more robust engine output. Pontiac GXP was the performance trim that replaced the GTP and was available on several cars as ...

Prices shown for the used 2006 Pontiac Grand Prix Sedan 4D GXP (V8) with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit ...

Prices shown for the used 2008 Pontiac Grand Prix Sedan 4D GXP (V8) with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit ...

A ban on leaded fuel was also looming on the horizon, forcing engine designers to build lower-compression powerplants ... at 250 horses. The 2008 Grand Prix GXP Was A 303-Horsepower Swan Song ...