Pontiac G8 Photos, pictures, images and wallpapers. Pontiac G8 car is a rear-wheel drive sedan produced by General Motors released for the 2008 model year (2009 in Canada). The G8 takes the place in the Pontiac lineup of both the Pontiac Bonneville, which ceased production after the 2005 model year, and the Pontiac Grand Prix, which ceases production after the 2008 model year. The G8 is Pontiac's