Check out this video walkaround of a 2011 GMC Sierra 1500 Denali One Owner! Crew Cab 4×4 6.2L V8 Sunroof, Leather & Heated/Cooled Seats, Touch Screen Navigation, CD Changer w/ Aux & USB, Tow Package, 20" Chrome Wheels, Power Adjustable Seat w/Memory Position Settings, Power Adjustable Pedals, Running Boards, Remote Start, Back-up Sensors, Bed Liner, Hard Tonneau Cover, Certified Warranty. This awesome 2011 GMC Sierra 1500 is not going to disappoint. There you have it, short and sweet! This Sierra Denali is powered by the 6.2L V-8, generating an astounding 403hp and 417lb-ft of torque, which garnered it the title as the most powerful light-duty truck on the market. Consumer Guide Recommended Large Pickup. [Click here][1] to see our low price, vehicle history, 50+ pictures and more… [1]: /car/67983/2011_GMC_Sierra_1500_Denali