GM Certified, Vortec 5.3L V8 SFI VVT FlexFuel, 6-Speed Automatic, 4WD, Dual-Zone Automatic Climate Control, EZ-Lift Tailgate, Locking Tailgate, Remote Vehicle Starter System, SLE Preferred Package, and Steering Wheel Mounted Audio Controls. 860-872-9145. You won't find a better truck than this terrific-looking 2011 GMC Sierra 1500. This Sierra SLE 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! GM Certified Pre-Owned means you not only get the reassurance of a 12mo/12,000-Mile Bumper-to-Bumper limited warranty, but also a 2yr/30,000-Mile Standard CPO Maintenance Plan, up to a 5-Year/100,000-Mile, $0 Deductible, Fully Transferable, Powertrain Limited Warranty, a 172-point inspection/reconditioning, 24/7 roadside assistance, Courtesy Transportation, 3-Day/150-Mile Customer Satisfaction Guarantee, 3 month trial OnStar Directions & Connections Service if available, SiriusXM Radio 3mo trial if available, and a complete CARFAX vehicle history report.