Money 2021 GMC Yukon Denali SUV scales new heights of luxury September 22, 2020Mark Phelan, Detroit Free PressComments Off on 2021 GMC Yukon Denali SUV scales new heights of luxury GMC is one of GM's success stories, and the 2021 Yukon Denali is its peak: the best materials teamed with most creative and user-friendly design.