Vortec 5.3L V8 SFI VVT Flex Fuel, 6-Speed Automatic, and 4WD. Silver Bullet! Short Bed! Are you still driving around that old thing? Come on down today and get into this fantastic-looking 2011 GMC Sierra 1500! Awarded Consumer Guide's rating of a Recommended Large Pickup in 2011. Take some of the worry out of buying an used vehicle with this one-owner creampuff.