Sporting an all-new look, the GMC Yukon XL delivers a slew of new technology for better performance, comfort and utility. Constructed on a 130-inch wheelbase, the 2015 GMC Yukon XL operates with two-wheel or four-wheel drivetrain. The 2015 GMC Yukon XL is available in three trim levels consisting of SLE, SLT and Denali. Powering the SLE and SLT versions of the 2015 GMC Yukon XL, a 5.3 liter EcoTec3 V-8 engine generating 355 horsepower is a technologically advanced powerplant featuring direct injection and Active Fuel Management. An eight-inch color touch screen operating on the IntelliLink infotainment system highlights standard equipment on the 2015 GMC Yukon XL. Keyless entry, push-button start, multiple mobile media slots and a unique conversation mirror is also included on the 2015 GMC Yukon. The high-end 2015 GMC Yukon XL Denali is propelled by a larger sized 420-horsepower EcoTec3 6.2 liter engine. High intensity discharge headlights, 20-inch wheels and magnetic ride control are standard on the 2015 GMC Yukon XL Denali model. All models of the 2015 GMC Yukon XL are equipped with a six-speed automatic transmission, electric variable-assist power steering and Duralife disc brake rotors.