Read more: Every Ford EcoBoost Engine Ranked Worst To Best Prior to GXP, Pontiac's Grand Prix performance model was called the GTP. GTP stands for Grand Touring Prototype, and is derived from an ...

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 ...

Roomy interior; smooth ride; fuel efficiency on the highway; acceleration (GXP). See the latest and greatest features ... in the GTP model marked the only changes in 1998 for the Grand Prix. In 1999, ...

It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, and aren’t overpaying for those you don’t want. Our ...

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 ...