"For 2001-2011 only C3 model of the GMC Sierra pickup truck was also renamed Denali in late 2001 as a 2002 model. The 2002–2004 Sierra Denali was equipped standard with a 325 hp 6.0L V8, All Wheel Drive and Quadrasteer, the 4-wheel steering system developed by General Motors.
For 2005-2006 and 2007 "Classic Body Style" Sierra Denali's were equipped with a 6.0L 345 HP V8. Also the trucks from 2005-2007 (2007 being classic body style) were changed to a crew cab with a 5'8" bed and did not have quadrasteer as the 2002-2004 Sierra Denali's had.The GMC Denali nameplate is used by General Motors' heavy truck division, GMC, on its top-of-the-line. The name applies to the top version of all SUVs as well as pick-up trucks in the GMC line-up. Vehicles with the Denali trim option carry MSRPs (Manufacturer's Suggested Retail Price) up to 43% higher than those of the regular models. Prices range from $37,145 for Envoy Denali to $64,615 for a top-of-the-line Yukon XL Denali. The Denali nameplate is often used as an insignias or status symbol. The Yukon Denali in particular is popular as a less costly alternative to the Cadillac Escalade. The Yukon Denali line typically represents 40% of Yukon sales in both units and dollars."