Actual terms vary by lender. What is the MPG of the 2009 Pontiac G8 GXP? The 2009 Pontiac G8 GXP offers up to 15 MPG in city driving and 24 MPG on the highway for a combined rating of 18 MPG.

Our comparison will help you prioritize the trims that are right for you. 355.0-hp, 6.0-liter, 8 Cylinder Engine (Gasoline Fuel) ...

Pontiac gains a new muscle car for 2009 in the form of the G8 GXP. The 2009 Pontiac G8 GXP sport sedan is powered by a 6.2-liter V-8 LS3 engine that produces 402 horsepower. Offered with a six-speed ...