GMC 2010 GMC Yukon XL 1500 SLT 2010 GMC Yukon XL 1500 SLT SPECIFICATIONS, PRICE & IMAGES Fuel Type: E85 Flex Fuel Exterior Color: Black City MPG: 15 Highway MPG: 21 Drivetrain: RWD Transmission: 6-Speed Automatic Engine: 5.3L V8 16V MPFI OHV Flexible Fuel Car Features Hot Car Deals! 2020 Toyota 4Runner Limited 2019 Audi Q7 45 SE Premium Plus 2019 Ford F-250 XL 2019 Ford Expedition Limited 2019 Chevrolet Silverado 1500 LTZ 2019 Toyota Camry XSE 2019 Audi Q7 55 Prestige 2019 Toyota Highlander LE