GMC Sierra 2500HD
2021 GMC Sierra 2500
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ENGINEERED TO CONQUER
The Next Generation Sierra Heavy Duty pickup truck offers up to 35,500 lbs† of max towing. It’s built strong so you can tow strong with a larger drive shaft than the previous generation and rear axle that increase durability and strength. A bigger grille and engine fan help improve engine cooling. Improved brakes and steering offer superior control.
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AVAILABLE IN-VEHICLE TRAILERING APP
Integrated into the Infotainment screen, the in-vehicle Trailering App provides a Trailer Light Sequence Test, an available Trailer Tire Pressure and Temperature Monitoring System† and more.
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BEST-IN-CLASS HEAVY-DUTY CARGO BED VOLUME
The roll-formed high-strength steel bed with durable spray-on bedliner features 12 cargo tie-downs and offers a best-in-class heavy-duty cargo bed volume† of 69.6-83.5 cu.ft.
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Work Truck Package
The 1SA work truck Package is the most basic model.
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SLE Package
SLE trim package typically comes with cloth seats and fewer standard features.
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SLT Package
Key Features: Best-in-class heavy-duty cargo bed volume† First ever heavy-duty in its class offering Allison® 10-speed Automatic Transmission with available 6.6L Duramax Turbo Diesel V8 Available ProGradeTM Trailering System with in-vehicle Trailering App† Available World's First Six-Function MultiProTM Tailgate
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AT4 Package
Key Features: Off-road suspension with Rancho® shocks, skid plates and all-terrain tires Available multicolor 15" diagonal Head-Up Display with inclinometer Class-leading available 15 camera views† Exclusive black chrome exterior accents and durable, athletic interior First ever heavy-duty in its class offering Allison® 10-Speed Automatic Transmission with available 6.6L Duramax Turbo Diesel V8 World’s First Six-Function MultiProTM Tailgate
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Denali Package
Key Features: First ever heavy-duty in its class offering Allison® 10-Speed Automatic Transmission with available 6.6L Duramax Turbo Diesel V8 World’s First Six-Function MultiPro™ Tailgate Class-leading available 15 camera views including industry-first transparent trailer view† First HD in its class with available multicolor 15" diagonal Head-Up Display & Rear Camera Mirror† Heated and ventilated leather-appointed front seats Heated, leather-wrapped steering wheel
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L5P - Engine: 6.6L V8 DuraMax Turbo Diesel
445 hp 910 lb-ft of torque Compression Ratio of 16:1 Diesel Exhaust Brake System Valve Train: overhead-valve, four valves per cylinder First-ever factory installed Diesel Engine After-Run cooling function Paired with the Allison® 10-Speed Automatic Transmission
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L8T - Engine: 6.6L V-8 SIDI (Spark-Ignition Direct-Injection) Gas
All-New 6.6L V8 Gas Engine 401 hp 464 lb-ft of torque Compression Ratio of 10.75:1 Valve Train: overhead-valve, two valves per cylinder, variable valve timing Paired with the 6-speed automatic transmission