The 2003 GMC Yukon Denali is the high-end version of its sibling, the standard GMC Yukon. It boasts a broad range of upgrades, including full time AWD, an enhanced suspension system, OnStar and state-of-the-art Bose audio. The Denali is offered in one trim level – the four door 4WD model – and comes equipped with a 316 horsepower 6.0-liter gas-powered V8 mated to a 4-speed overdrive-enabled automatic transmission. The Denali seats up to eight passengers with plenty of cargo room for hauling gear. Safety equipment includes front/ side-body airbags and ABS.