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 Acura TLX V6 w/Technology Package 2017 Honda Civic LX 2016 Ford Edge Sport 2020 Chevrolet Blazer 1LT 2019 Audi Q5 2.0T Premium Plus 2016 Mazda CX-5 Grand Touring 2020 Chevrolet Silverado 3500 LTZ 2019 Mazda Mazda6 Grand Touring