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 Toyota Highlander LE 2019 Honda Civic EX 2019 Chrysler Pacifica Touring-L Plus 2019 Toyota Corolla SE 2020 Chevrolet Silverado 2500 LTZ 2019 Dodge Journey SE 2020 Audi Q3 2.0T Premium Plus 2014 Chevrolet Camaro 2SS