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! 2018 Dodge Journey SE 2020 Subaru Forester Premium 2017 Kia Optima Hybrid Base 2017 Ford F-350 Lariat 2019 Chrysler 300 Touring 2019 Chevrolet Corvette Z06 2019 Honda HR-V LX 2018 RAM 3500 Tradesman