Pontiac G8 Prototype GM Holden celebrated today as the first Pontiac G8 engineering prototypes to be produced at Holden Vehicle Operations in Elizabeth rolled off the line. The G8 will be available in Pontiac dealerships in the United States in early 2008 to take its place among General Motors' flagship high performance vehicles. Pontiac G8 Prototype pontiacprototype in Public bookmarkswith autoautomotivecarsg8pontiacprototype