Pontiac G8 Specs, MPG & Trims by Year

EPA fuel-economy and specification data for the Pontiac G8, model years 2008–2009. The latest model year is shown first below.

Latest model year: 2009

Body class: Large Cars
Drive: Rear-Wheel Drive
Engine: 6-cyl, 3.6 L; 8-cyl, 6.0 L; 8-cyl, 6.2 L
Fuel type: Regular Gasoline
Configurations: 4
Combined MPG: 15–20 MPG
Annual fuel cost: $3,350–$4,450

View the full 2009 Pontiac G8 specs, MPG and trims

Across all 2 model years, EPA combined ratings span 15–20 MPG.

All model years

Model years available for the Pontiac G8 in the EPA-based index, newest first.
Year	Body class	Combined	Configurations	Annual fuel cost
2009	Large Cars	15–20 MPG	4	$3,350–$4,450
2008	Large Cars	18–20 MPG	2	$3,350–$4,550

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