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! 2020 Dodge Durango GT 2020 Nissan Rogue SCertified 2017 Mercedes-Benz E 300 2019 Jeep Renegade Latitude 2016 RAM 1500 Laramie 2020 Chevrolet Traverse LS 2015 Chevrolet Tahoe LT 2019 Jeep Cherokee Latitude