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2011 GMC Sierra 2500HD Denali Crew Cab 4WD - 6.6L Duramax Turbo Diesel - Allison Transmission - 1 Owner - No AccidentsExperience the perfect combination of luxury and heavy-duty capability with this 2011 GMC Sierra 2500HD Denali Crew Cab 4WD. Powered by the legendary 6.6L Duramax Turbo Diesel V8 producing 397 horsepower and 765 lb-ft of torque, paired with the renowned Allison 1000 6-speed automatic transmission, this truck is built to tow, haul, and perform with confidence. Whether you’re pulling a large trailer, hauling equipment, or looking for a premium daily driver, this Denali is up for any challenge. This truck comes with a 1 Owner, Clean CarFax, and No Accident History, reflecting the care and pride of previous ownership. The Denali trim offers premium luxury features while maintaining the rugged capability GMC HD trucks are known for. Highlights & Features:6.6L Duramax Turbo Diesel V8397 Horsepower765 lb-ft of TorqueAllison 1000 6-Speed Automatic Transmission4WD with Electronic Shift-on-the-FlyCrew Cab Short Bed (6?-Foot Bed)Denali Premium Package1 OwnerClean CarFaxNo Accident HistoryPremium Heated & Cooled Leather Front SeatsHeated Rear SeatsPower Front Seats with Driver MemoryDual-Zone Automatic Climate ControlFactory Navigation SystemBose Premium Audio SystemBluetooth Hands-Free ConnectivityRemote StartBackup CameraRear Parking SensorsPower Adjustable PedalsPower Folding Heated Tow Mirrors with Integrated Turn SignalsIntegrated Trailer Brake ControllerFactory Trailer Tow PackageLocking Rear DifferentialSpray-In Bedliner (if equipped)Chrome Running Boards20-Inch Denali Premium WheelsFog LightsRemote Keyless EntryHeavy-Duty Capability:Maximum Conventional Towing Capacity: Up to 13,000 lbs (properly equipped)Maximum 5th-Wheel/Gooseneck Towing Capacity: Up to 17,800 lbsMaximum Payload Capacity: Approximately 3,100 lbsFuel Tank Capacity: 36 gallonsThe Duramax/Allison combination is widely recognized as one of the most dependable diesel powertrains in the industry, offering smooth power delivery, outstanding towing performance, and long-term reliability. Combined with GMC’s heavy-duty suspension, strong frame, and advanced towing technology, this Sierra is built to handle demanding workloads with ease. Whether you’re towing a fifth-wheel RV, horse trailer, construction equipment, or simply want a premium diesel truck that stands out, this 2011 GMC Sierra 2500HD Denali delivers exceptional performance, comfort, and durability. With its 1-owner history, accident-free CarFax, luxurious Denali interior, and the legendary Duramax Diesel paired with the Allison Transmission, this truck is a rare find that’s ready for work or weekend adventures.