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 Jeep Wrangler Unlimited Sport 2018 Ford Expedition Max Limited 2017 Ford Mustang Shelby GT350 2dr Fastback 2019 Ford Mustang GT Premium 2020 Chevrolet Colorado LT 2020 Jeep Grand Cherokee Limited 2012 Acura TL 3.5 2020 Hyundai Elantra Value Edition