2026 GMC Sierra 2500HD

Meet the 2026 GMC Sierra 2500HD AT4, a heavy-duty truck engineered to handle demanding work and deliver capability you can depend on.

- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 4WD
- AT4 Premium Plus Package with power sunroof and Technology Package
- Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness
- X31 Off-Road Package with 2-Speed Active Transfer Case and Hill Descent Control
- Bose Premium 7-Speaker Sound System with SiriusXM 360L Trial Subscription
- HD Surround Vision with Bed View Camera and Trailer Camera Provisions
- Bed View Camera with Two Trailer Camera Provisions
- Wireless Phone Projection and Apple CarPlay/Android Auto compatibility
- 120-Volt Bed Mounted and Instrument Panel Power Outlets
- Heated and ventilated front seats with 10-way power adjustment
- Spray-on Pickup Bedliner with GMC Logo
- Remote Vehicle Starter System with keyless open and start
- Multicolor 15'' Diagonal Head-Up Display
- 20'' High Gloss Black 8-Spoke Aluminum wheels

The Duramax diesel engine delivers the torque and power you need for towing and hauling. With 975 lb-ft of torque available at 1,600 rpm, this truck responds with authority whether you're pulling a trailer or navigating rough terrain. The 10-speed automatic transmission maximizes efficiency across all driving conditions, while the 4WD system provides traction when you need it most.

Standard safety features include Automatic Emergency Braking, Forward Collision Alert, Lane Departure Warning, and Rear Cross Traffic Alert. The HD Surround Vision system gives you multiple camera perspectives for better awareness when maneuvering in tight spaces. Ultrasonic front and rear park assist keeps you confident when parking this full-size truck.

The AT4 Premium Plus Package elevates your comfort with a power sunroof, advanced technology features, and premium materials throughout the cabin. Perforated leather-appointed front seats offer both style and durability, while heated and ventilated front seats keep you comfortable in any season. The heated steering wheel provides additional warmth during cold weather drives.

Your worksite connectivity is enhanced by dual USB charging ports inside the center console, two additional charge-only rear USB ports, and wireless charging for compatible devices. The Premium GMC Infotainment System with Apple CarPlay and Android Auto keeps your essential apps and navigation right at your fingertips.

The Gooseneck/5th Wheel Prep Package includes the hitch platform, stamped bed holes with removable caps, and bed-mounted 7-pin trailer harness, ready for your towing setup. Hitch Guidance with Hitch View and the in-Vehicle Trailering System App streamline the towing process, making hookups and maneuvering easier.

This is a truck built for serious work and capable adventures. Visit our showroom to experience the 2026 GMC Sierra 2500HD AT4 and discover how it matches your needs. Must have qualifying trade in. Price does not include Doc fee of $129.00 or special finance. No out of state liens. *Not all customers will qualify for all discounts*$1000 - Buick & GMC Consumer Cash Program. Exp. 08/03/2026