Used 2009 GMC Yukon XL 2500 models have a V8 engine. A 285-hp 4.8-liter is standard in regular-length Yukons, a 295-hp 5.3 is offered. The 5.3 is standard on Yukon XL 1500s. A 335-hp 6.0 is standard on Denali and 2500 models, a 325-hp 8.1-liter is optional for the 2500. 2006 GMC Yukon Denali XL. Used 2009 GMC Yukon XL 2500 models have an automatic transmission with GM's Tow/Haul mode. Denalis include all-wheel drive without low-range gearing. Used 2009 GMC Yukon XL 2500 offer either rear-wheel drive or GM's Autotrac 4WD that can be left engaged on dry pavement and includes low-range gearing. See Also New Cars By Make Acura Aston Martin Audi BMW Buick Cadillac Chevrolet Chrysler Dodge Ferrari Ford GMC Infiniti Jaguar Jeep Kia Lamborghini Land Rover Lexus Lincoln Lotus Maserati Maybach Mazda Mercedes-Benz Mercury MINI Mitsubishi Nissan Pontiac Porsche Rolls Royce Saab Saturn Scion Smart Subaru Suzuki Tesla Toyota Volkswagen Volvo
