Question: are all gmc sierra denalis awd?
Answer: GMC Sierra-Denali Model History A full-size luxury pickup truck, the 2008 GMC Sierra Denali is available with RWD or AWD and is a carryover from the 2007 model. Redesigned for the new year, the 2007 GMC Sierra Denali is a luxury pickup truck with seating for five passengers and is available with RWD or AWD.