2021 GMC Sierra 3500

2021 GMC Sierra 3500HD Denali --- White Frost Tricoat Black Interior

The 2021 GMC Sierra 3500HD Denali delivers unmatched heavy-duty capability, premium luxury, and bold custom styling. Finished in stunning White Frost Tricoat over a refined black interior, this Denali stands out even further with extensive custom upgrades including 22" Cali Off-Road wheels, 35" tires, a SuperLift lift kit, custom dual-exit exhaust, paint-matched accents, and upgraded lighting---giving it an aggressive, head-turning presence.

Under the hood, the legendary Duramax® 6.6L Turbo-Diesel V8 produces an incredible 445 horsepower and 910 lb-ft of torque, paired with a heavy-duty automatic transmission. Built for towing, hauling, and off-road performance, this Sierra is ready for the toughest jobs with style and confidence.

Performance & Capability

* Duramax® 6.6L Turbo-Diesel V8 (445 HP / 910 lb-ft Torque)
* Heavy-Duty Automatic Transmission
* 4WD w/2-Speed Electronic Autotrac Transfer Case
* SuperLift Lift Kit (Custom Upgrade)
* Off-Road Suspension w/Twin-Tube Shocks
* Trailer Brake Controller & Advanced Towing Capability
* B20 Diesel Compatible w/Engine Block Heater

Exterior Highlights

* White Frost Tricoat Exterior
* 22" Cali Off-Road Wheels (Custom)
* 35" All-Terrain Tires (Custom)
* Custom Dual Exit Exhaust
* Paint-Matched Exterior Accents
* Custom Lighting Upgrades
* MultiPro Tailgate w/6 Functional Positions
* Power Sliding Rear Window w/Defogger
* LED Signature Taillights

Interior & Comfort

* Black Leather Interior
* Denali Premium Trim & Finishes
* Heated & Ventilated Front Seats
* Heated Steering Wheel
* Dual-Zone Climate Control
* Power Sunroof (Denali Ultimate Package)
* Spacious Crew Cab w/Premium Comfort
* Memory Seating & Power Adjustability

Technology & Connectivity

* Wireless Apple CarPlay® & Android Auto?
* Wireless Charging
* Premium Infotainment System
* Navigation System
* Wi-Fi Hotspot Capability
* Multiple USB Ports & SD Card Reader
* Universal Home Remote

Safety & Driver Assistance

* Rearview Camera
* Blind Spot Monitoring
* Cross-Traffic Alert
* Stability & Traction Control Systems
* Tire Pressure Monitoring System w/Tire Fill Alert
* Teen Driver Technology
* Advanced Airbag System

Utility & Convenience

* MultiPro Tailgate & Bed Functionality
* Bed Rail Protection & Wheelhouse Liners
* Remote Keyless Entry & Remote Start
* Running Boards for Easy Access
* Illuminated Entry & Panic Button
* Built for Heavy-Duty Work & Custom Style

The 2021 GMC Sierra 3500HD Denali is the ultimate combination of power, luxury, and custom presence. With its Duramax diesel performance, lifted stance, and premium Denali features, this truck is built to dominate both the job site and the road in unmatched style.

ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (445 hp [332 kW] @ 2800 rpm, 910 lb-ft of torque [1220 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), DENALI ULTIMATE PACKAGE includes (CWM) Technology Package and (CF5) power sunroof, Wireless phone projection for Apple CarPlay and Android Auto, Wireless Charging, Windows, power rear, express down, Window, power, rear sliding with rear defogger, Window, power front, passenger express up/down, Window, power front, drivers express up/down, Wheels, 20" (50.8 cm) multi-dimensional Polished aluminum (Requires single rear wheels.), Wheelhouse liners, rear (Not available with dual rear wheel mod