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2026 GMC Sierra 2500 HD Crew Cab

AT4 Pickup 4D 6 1/2 ft
958 miles
Includes:$6,060 in factory upgrades

Why You’ll Love This Sierra 2500

Slotted above the SLT and below the Denali in the Sierra HD lineup, the AT4 elevates everyday capability with a 13.4-inch premium GMC infotainment system featuring wireless Apple CarPlay and Android Auto, HD Surround Vision, and adventure-ready engineering.

AT4 Premium Plus Package

Originally valued at $5,035, this premium package delivers a power sunroof, the Technology Package, a power sliding rear window with defogger, and power-retractable black assist steps.

Snow Plow Prep/camper Package

Originally valued at $530, this package prepares the vehicle for heavy-duty use with a 220-Amp alternator and sturdy skid plates.

Sterling Metallic

Originally valued at $495, this option provides a sophisticated sterling metallic exterior finish.

Off-road suspension package

Provides enhanced capability over rugged terrain with twin-tube Rancho shocks, ensuring a smoother ride and improved control.

13.4-inch premium GMC infotainment system

Features a large diagonal display with Google built-in compatibility, wireless Apple CarPlay and wireless Android Auto for comprehensive connectivity and entertainment.

HD surround vision

Offers up to 14 camera views, providing comprehensive visibility around the vehicle for easier maneuvering in tight spaces or with a trailer.

Capable gas power

Provides 401 HP and 464 lb-ft through the 6.6L V8 gas engine, Allison 10-speed automatic transmission and 4WD, supporting heavy loads with integrated trailer brake control and Tow/Haul mode.

Adventure-ready engineering

The AT4 trim delivers enhanced off-road capability and premium comfort, designed for challenging terrain and demanding work.

Premium interior comfort

Showcases a Jet Black interior with Kalahari accents, complemented by heated and ventilated perforated leather seating surfaces for year-round comfort.

Hill descent control

Manages vehicle speed on steep declines, allowing for controlled and confident navigation of challenging off-road conditions.

Adaptive cruise control with trailering

Maintains a set following distance from the vehicle ahead, even when towing, reducing driver fatigue on long journeys.

20-inch gloss-black aluminum wheels

Enhance the truck's rugged aesthetic with a distinctive and aggressive appearance.

Wireless Apple CarPlay

Integrates your iPhone wirelessly for navigation, music and messaging directly on the infotainment screen.

Wireless Android Auto

Connects your Android smartphone wirelessly, providing access to apps, maps and media without cables.

Sierra HD Pro Safety suite

Includes Forward Collision Alert, Lane Departure Warning, Automatic Emergency Braking, Front Pedestrian Braking and Following Distance Indicator for enhanced awareness.

20-inch high gloss black aluminum wheels

High gloss black 20-inch aluminum wheels provide a commanding presence and a distinctive visual upgrade.

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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