Pontiac 2008 Pontiac Grand Prix GXP 2008 Pontiac Grand Prix GXP SPECIFICATIONS, PRICE & IMAGES Fuel Type: Gasoline Exterior Color: Grey City MPG: 16 Interior Color: grey Highway MPG: 25 Drivetrain: FWD Transmission: automatic 4 speed Engine: 5.3L 8 Cylinder Engine Car Features Hot Car Deals! 2020 Hyundai Sonata SEL+ 2014 Ford Edge Limited 2019 Dodge Grand Caravan SE 2020 Chevrolet Trax LS 2020 Acura RDX Technology Package 2015 Chevrolet Silverado 1500 LT2020 Acura MDX w/Technology PkgCertified 2019 Mercedes-Benz C 300