The 2008 model year introduced the G8 as an all-new vehicle in Pontiac's lineup. It was available in two primary trims: the base G8 and the more performance-focused G8 GT. The base model featured ...

The 2009 lineup saw the debut of the G8 GXP, featuring a 6.2-liter V8 engine producing 415 horsepower. This addition positioned the G8 as a formidable contender in the performance sedan segment.