2026 GMC Sierra 2500 HD AT4X

2026 GMC Sierra 2500HD AT4X 4WD Ultimate Off-Road Capability. Premium Luxury. Legendary Duramax Power. The 2026 GMC Sierra 2500HD AT4X is built for those who refuse to compromise. Combining heavy-duty diesel capability, premium luxury, and serious off-road performance, this AT4X stands at the pinnacle of the GMC truck lineup. Finished in stunning Coastal Dune with a luxurious Obsidian Rush Leather Interior, this virtually brand-new AT4X is powered by the legendary 6.6L Duramax Turbo-Diesel V8 and paired with a 10-Speed Automatic Transmission for exceptional towing, hauling, and adventure-ready performance. With only 8 miles on the odometer, this truck is ready for whatever lies ahead. Performance & Capability: • 6.6L Duramax Turbo-Diesel V8 Engine • 10-Speed Automatic Transmission • 4WD Capability • Off-Road Suspension • Exhaust Brake • Engine Block Heater • 220-Amp Alternator • Heavy-Duty 80 Amp Battery • Hill Descent Control • Traction Control System • Built for Serious Towing & Off-Road Adventures Luxury Interior Features: • Premium Obsidian Rush Leather Interior • 16-Way Power Driver Seat with Lumbar Support • 16-Way Power Passenger Seat with Lumbar Support • Driver Memory Settings • Front Premium Floor Liners with Removable Carpet Inserts • Rear Premium Floor Liners with Removable Carpet Inserts • Push Button Start • Remote Vehicle Start • Electric Rear Window Defogger • Premium AT4X Cabin Design Technology & Connectivity: • Premium GMC Infotainment System • SiriusXM with 360L • Bose Premium Series 12-Speaker Audio System • Universal Home Remote • Steering Wheel Audio Controls • Bluetooth Connectivity • Advanced Driver Information Displays • OnStar Services Available Exterior Highlights: • Coastal Dune Exterior Finish • Power Sunroof • Spray-On Bedliner with GMC Logo • Power Sliding Rear Window with Defogger • Deep-Tinted Glass • Rear Wheelhouse Liners • Winter Grille Cover • Rain-Sensing Windshield Wipers • Aggressive AT4X Styling • Heavy-Duty Off-Road Presence Safety & Driver Assistance: • Lane Departure Warning System • Hill Descent Control • Keyless Open & Start • Theft Deterrent System • OnStar Emergency Communication System • Security System • Multiple Airbag Protection • 4-Wheel Disc Brakes • Advanced Stability & Traction Control The Sierra 2500HD AT4X is designed for drivers who demand the very best. Whether you're towing heavy equipment, exploring remote trails, or enjoying first-class comfort on the highway, this truck delivers unmatched capability, refinement, and confidence. Vehicle Information: Stock #: TF285436 VIN: 1GT4UZEY9TF285436 Mileage: 08 Engine: 6.6L Duramax Turbo-Diesel V8 Transmission: 10-Speed Automatic Drivetrain: 4WD Exterior Color: Coastal Dune Interior: Obsidian Rush Leather If you're searching for the ultimate combination of heavy-duty diesel power, off-road capability, and premium luxury, this 2026 GMC Sierra 2500HD AT4X is ready to exceed every expectation. Contact us today for pricing, availability, or to schedule your private viewing.

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Truck specifications

Engine

6.6L Duramax Turbo-Diesel V8 engine

Transmission

Automatic

Drivetrain

Four Wheel Drive

Fuel

Diesel Fuel

Exterior

Tan

Interior

Obsidian Rush, Full Grain Leather seat trim

Doors

4

Body Style

Truck

Features

• AWD
• Adaptive Cruise Control
• Android Auto
• Apple CarPlay
• Automatic Climate Control
• Backup Camera
• Bluetooth
• Fog Lights
• Lane Departure Warning
• Leather Seats
• Parking Sensors / Assist
• Power Seats
• Push Start
• Rain Sensing Wipers
• Remote Start
• Side-Impact Air Bags
• Sunroof / Moonroof
• Tow Package
• Wireless Phone Charging