GMC 2017 GMC Sierra 1500 Denali 2017 GMC Sierra 1500 Denali SPECIFICATIONS, PRICE & IMAGES Fuel Type: Gasoline Exterior Color: Gray City MPG: 15 Interior Color: Brown Highway MPG: 21 Drivetrain: RWD Transmission: 8-Speed Automatic Engine: 5.3L V8 16V GDI OHV Car Features Hot Car Deals! 2017 Chevrolet Silverado 1500 LT 2018 RAM 1500 Lone Star 2020 Mercedes-Benz GLA 250 Base 2019 RAM 2500 Tradesman 2020 Cadillac CT5 Premium Luxury 2017 Genesis G80 3.8 2020 Jeep Cherokee Latitude2020 Acura RLX w/Technology Pkg