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 Dodge Durango R/T 2019 Buick Encore Preferred 2020 Ford EcoSport SE 2019 Mazda CX-5 Grand Touring 2019 Cadillac XT5 Luxury 2019 BMW 540 i 2020 Chevrolet Silverado 1500 WT 2020 Chevrolet Suburban LT