2006 GMC Sierra Denali All Wheel Drive. Here is the truck you don't see very often but you want it every time you see it. This Sierra is not your average half ton. This Denali is loaded with premium leather, heated seats, Bose Audio, Sun Roof and more! Not to mention this is one great looking truck! Under the hood is GMC's big 6.0L V8 engine power this all wheel drive truck. Call us today at (866) 981-2422 for an appointment!