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 ...

Today Mr. Mateja breaks down all the features in the upcoming Pontiac G6 line-up. It's a thorough ... paned sunroof that stacks up and an eventual GTP version with 240-hp. If it seems we're ...