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Great Deal
2021 GMC Sierra 2500 HD Crew Cab
AT4 Pickup 4D 6 1/2 ft
31,482 miles
Includes:$20,240 in factory upgrades
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Why You’ll Love This Sierra 2500

Slotted above the SLT and below the Denali in the Sierra 2500 HD lineup, the AT4 elevates everyday usability with the six-function GMC MultiPro Tailgate, adds comfort with heated and ventilated front bucket seats, and keeps you seamlessly connected through wireless Apple CarPlay and Android Auto.

AT4 Premium Plus Package

Originally valued at $6,975, this package provides HD Surround Vision, Automatic Emergency Braking, and Lane Departure Warning for safety, plus a Power Sunroof and Bose Premium 7 Speaker Sound System.

Snow Plow Prep/Camper Package

Originally valued at $300, this package adds sturdy Skid Plates, preparing the vehicle for snow plow installation or camper hauling by protecting underbody components.

Duramax 6.6L Turbo-Diesel V8 Engine

Originally valued at $9,890, the Duramax 6.6L Turbo-Diesel V8 engine delivers substantial power and torque for demanding towing and hauling tasks.

Power-Retractable Black Assist Steps

Originally valued at $1,895, these power-retractable black assist steps extend automatically to provide convenient entry and exit, then retract for a clean profile.

Onyx Black Paint

Originally valued at $495, the Onyx Black paint provides a deep, glossy finish that enhances the vehicle's exterior presence.

Dual 220-Amp Primary and 170-Amp Auxiliary Alternators

Originally valued at $380, the dual 220-amp primary and 170-amp auxiliary alternators ensure ample electrical power for demanding accessories and heavy-duty applications.

Serious towing power

Provides immense 18,500 lbs towing capacity and 910 lb-ft of torque through its 6.6L Duramax Turbo Diesel V8 engine, Allison 10-speed automatic transmission, and 4WD, enhanced by a dual path air induction system and intelligent diesel exhaust brake.

GMC MultiPro tailgate

Offers six distinct functions, transforming into a standing workstation, load stop, or easy access step, enhancing versatility for various tasks.

AT4 off-road capability

The AT4 trim is engineered for serious off-road performance and rugged styling, ready for challenging terrain.

Traction select system

Optimizes vehicle performance for specific conditions with dedicated off-road and tow/haul modes, providing enhanced control and capability.

Automatic locking rear differential

Engages automatically when wheel slip is detected, providing maximum traction in challenging off-road or low-grip situations.

Heated and ventilated front seats

Provides year-round comfort with heating for cold weather and ventilation for warmer days, ensuring a pleasant driving experience.

Wireless smartphone integration

Seamlessly integrates your smartphone for navigation, music, and communication without the need for cables, keeping you connected on the go.

Safety alert seat

Provides haptic feedback through the driver's seat cushion to alert of potential hazards, offering a discreet and effective warning system.

High-intensity LED lighting

Illuminates the road and surrounding areas with bright LED headlamps, taillamps, fog lamps, wheel arch lamps and cargo bed lamps for enhanced visibility and modern style.

Heated leather-wrapped steering wheel

Warms your hands in colder weather for comfortable driving.

Heated second-row outboard seats

Offers additional comfort for rear passengers in cold conditions.

Red vertical recovery hooks

Provides robust and visible anchor points for vehicle recovery in off-road situations.

Digital variable steering assist

Enhances steering feel and responsiveness, making maneuvering easier at low speeds and more stable at highway speeds.

This content is AI-generated and some details may not be 100% accurate. Refer to the details throughout this page for specific vehicle info.

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