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! 2020 RAM 1500 Laramie 2020 Jeep Gladiator Overland 2016 Honda Civic LX 2019 Ford Edge Titanium 2020 Ford Mustang GT 2016 Honda Civic EX-T 2008 BMW 335 i 2016 BMW Z4 sDrive35i