GMC 2010 GMC Sierra 1500 SL 2010 GMC Sierra 1500 SL SPECIFICATIONS, PRICE & IMAGES Fuel Type: E85 Flex Fuel Exterior Color: Blue City MPG: 14 Highway MPG: 19 Drivetrain: RWD Transmission: 4-Speed Automatic Engine: 4.8L V8 16V MPFI OHV Flexible Fuel Car Features Hot Car Deals! 2019 Kia Sorento LX 2016 BMW i 2019 Nissan Frontier SV 2019 Cadillac XT4 Sport 2020 BMW M4 Base 2020 RAM 1500 Lone Star 2017 Honda Civic Sport 2020 Chevrolet Silverado 2500 LTZ