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! 2019 Honda Odyssey EX-L 2014 Jeep Grand Cherokee Overland 2019 Jeep Renegade Sport 2019 Nissan Armada SL 2019 Ford F-250 King Ranch 2015 Chevrolet Camaro 1LT 2019 Nissan Sentra S 2020 Hyundai Santa Fe SEL 2.4