The 2013 GMC Yukon XL is a long wheelbase, full-size SUV known for its towing capability and passenger capacity. Available in 1500 and heavier duty 2500 models, it offers a spacious and comfortable ride with an extra-roomy third-row seat and sizable cargo capacity. With a classic body-on-frame design, the Yukon XL is built for durability and off-road capability. A 5.3-liter V8 engine powers the 1500 model, delivering 320 horsepower and 335 lb-ft of torque, paired with a six-speed automatic transmission. The stronger 2500 model gets a 6.0-liter V8, pushing out 352 horsepower and 382 lb-ft of torque. Both RWD and 4WD variants are available. Some features include tri-zone automatic climate control, a Bose sound system, rear-view camera and parking sensors, and Bluetooth. Optional equipment includes a navigation system, rear-seat entertainment system, and heated and cooled front seats.