2020 GMC Sierra 3500 HD Denali
- Used
- Diesel
The full specifications
- Max seating capacity: 5
- Fuel System: Direct Injection
- Fuel tank capacity: 36 gal
- Horsepower: 445
Notes from the dealer
Experience the perfect balance of power, luxury, and heavy-duty capability in this 2020 GMC Sierra 3500HD Denali, finished in White Frost and equipped with dual rear wheels. Built for drivers who demand premium comfort and unmatched towing strength, this truck is ready to tackle the toughest jobs while making every drive a first-class experience.
At its core is the Duramax 6.6L V8 Turbodiesel paired with a 10-speed automatic transmission, delivering outstanding torque, reliability, and towing performance. With 4WD and the X31 Off-Road Package, this Sierra handles muddy job sites, mountain passes, or off-road adventures with ease. The ProGrade Trailering System and Gooseneck/5th Wheel Prep Package make towing trailers, RVs, or heavy equipment safer and more effortless.
The Denali Ultimate Package adds premium comfort and convenience features, including:
Heated and ventilated driver and front passenger seats
Heated second-row outboard seats
Power sunroof
12-volt rear auxiliary and 120-volt bed-mounted power outlets
Keyless open & start with remote vehicle starter
Universal home remote and wireless charging
Technology and safety are seamlessly integrated with:
HD Rear Vision Camera
Driver Alert Packages I & II
Safety Alert Seat
Integrated Trailer Brake Controller
LED cargo area lighting
OnStar & GMC Connected Services capability
Deep-tinted glass and signature Denali grille with high-gloss black mesh
The exterior combines rugged functionality with Denali refinement: chrome recovery hooks, polished exhaust tip, 6-inch rectangular tubular assist steps, spray-on pickup bed liner with Denali logo, and rear wheelhouse liners.
This Sierra also stands out with low mileage, showing 18,893 miles below market average, giving you added value and long-term reliability.
Whether hauling equipment, towing across the state, or heading off-road, the Sierra 3500HD Denali delivers the strength, technology, and premium comfort to handle the Pacific Northwest with confidence.
Recent Arrival!
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Peace of mind
Vehicle history report
- Title information
- Odometer readings
- Accident data (if applicable)
- Service history
- Vehicle usage
- Recall information (if applicable)
- Warranty status
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*Plus government fees and taxes, any finance charges, $85 dealer document processing charge, any electronic filing charge and any emission testing charge.
WARNING: Operating, servicing and maintaining a passenger vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to //www.p65warnings.ca.gov/passenger-vehicle
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