GMC 1999 GMC Sierra 1500 SLE 1999 GMC Sierra 1500 SLE SPECIFICATIONS, PRICE & IMAGES Fuel Type: Gasoline Exterior Color: Champagne City MPG: 15 Interior Color: Tan Highway MPG: 19 Drivetrain: RWD Transmission: 4-Speed Automatic Engine: 5.3L V8 16V MPFI OHV Car Features Hot Car Deals! 2020 Toyota Corolla LE 2020 GMC Terrain SLE 2016 BMW i xDrive 2020 Nissan Altima 2.5 SR 2018 Toyota Corolla LE 2020 Kia Soul EX 2020 Chevrolet Blazer RS 2019 Lexus Luxury