GMC 2016 GMC Sierra 1500 SLT 2016 GMC Sierra 1500 SLT SPECIFICATIONS, PRICE & IMAGES Fuel Type: Gasoline Exterior Color: Onyx Black City MPG: 16 Interior Color: Jet Black Highway MPG: 22 Drivetrain: 4WD Transmission: Automatic Engine: Gas V8 5.3L/325 Car Features Hot Car Deals! 2020 Chevrolet Silverado 2500 LTZ 2008 Hyundai Santa Fe Limited 2019 GMC Sierra 1500 SLT 2020 Chevrolet Tahoe LS 2020 Ford Edge Titanium 2016 Mercedes-Benz CLA 250 2019 Ford F-250 Super Duty 2019 Maserati Levante GranLusso