GMC 2018 GMC Sierra 1500 Base 2018 GMC Sierra 1500 Base SPECIFICATIONS, PRICE & IMAGES Fuel Type: Gasoline Exterior Color: White City MPG: 17 Interior Color: Black Highway MPG: 22 Drivetrain: RWD Transmission: 6-Speed Automatic Engine: 5.3L V8 16V GDI OHV Car Features Hot Car Deals! 2019 Chevrolet Silverado 1500 WT2020 Mazda Mazda3 FWD w/Select PackageCertified 2017 Mercedes-Benz E 300 Luxury 2019 BMW 330i 2018 Jeep Renegade LatitudeCertified 2018 Chevrolet Silverado 1500 LTZ 2019 Porsche Macan SCertified 2018 Acura TLX V6 A-Spec