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 BMW X5 sDrive40i 2020 Acura RDX Technology Package 2012 GMC Acadia Denali 2020 Toyota Corolla SE 2018 Volkswagen Atlas 3.6L SE 2019 Toyota Tacoma TRD Sport 2020 Chevrolet Silverado 1500 LT 2020 Acura TLX V6