GMC 2020 GMC Sierra 1500 SLT 2020 GMC Sierra 1500 SLT SPECIFICATIONS, PRICE & IMAGES Fuel Type: Gasoline Exterior Color: White Frost Tricoat City MPG: 16 Highway MPG: 22 Drivetrain: RWD Transmission: Automatic Engine: 5.3L V8 16V GDI OHV Car Features Hot Car Deals! 2013 Mercedes-Benz ML 350 2019 Ford Ranger XLT 2016 Acura MDX 3.5L 2016 Mazda Mazda6 i Grand Touring 2019 Dodge Journey SE 2019 Mercedes-Benz Base 1950 Willys Jeepster 2019 Nissan Kicks S