The Pontiac G8 is a mid-size rear-wheel drive sedan produced by General Motors. Pontiac G8 is on the basis of the Holden Commodore, a well known Australian car, and is manufactured in Australia and imported to the United States. The Pontiac was offered in two trim levels: the beds base model and the Pontiac G8 GXP, which had a more powerful engine and sport-tuned suspension. The base type of the G8 was equipped with a 3.