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 Dodge Durango GT 2016 Kia Forte LX 2020 Acura ILX Premium Package 2018 Ford Fusion Hybrid SE2020 Acura MDX 3.5L w/Technology Package 2012 Honda Odyssey EX-L 2019 Honda Civic Sport 2019 Toyota RAV4 Adventure