GMC 2006 GMC Sierra 1500 SL 2006 GMC Sierra 1500 SL SPECIFICATIONS, PRICE & IMAGES Fuel Type: Gasoline Exterior Color: White Drivetrain: RWD Transmission: 4-Speed Automatic Engine: 4.8L V8 16V MPFI OHV Car Features Hot Car Deals! 2019 Ford EcoSport Titanium 2019 Ford Ranger XLTCertified 2017 Toyota Prius Four Touring 2020 Jeep Grand Cherokee Limited 2019 Chrysler 300 Limited 2020 Toyota Corolla XLE 2019 Land Rover Discovery Sport HSE 2020 Chevrolet Silverado 2500 LTZ