Vortec 4.8L V8 SFI VVT FlexFuel, 4-Speed Automatic with Overdrive, 4WD, Light Titanium/Dark Titanium Accents w/Premium Cloth Seat Trim, 6 Speaker Audio System Feature, and Work Truck Package. 860-872-9145. Don't miss out on purchasing this superb-looking 2011 GMC Sierra 1500. This Sierra Work Truck is a pretty special truck, showing off the superior ride and handling that have earned it accolades from pretty much every reviewer who got behind the wheel. The drivability is good enough to be a capable commuting vehicle for someone who wants a pickup on the weekend for hauling toys or projects. Consumer Guide named the Sierra 1500 a 2011 Recommended Large Pickup!