2026 GMC Sierra 2500HD AT4

From the store

Call us at 512-954-9290

- 6.6L V8 Diesel Turbocharged (Duramax) with 470 hp and 975 lb-ft of torque

- 10-Speed Automatic transmission with 4WD

- AT4 Preferred Package and AT4 Premium Plus Package

- Gooseneck/5th Wheel Prep Package for towing capability

- X31 Off-Road Package with Hill Descent Control and 2-Speed Active Transfer Case

- Technology Package including Multicolor 15" Head-Up Display and Wireless Phone Projection

- Bose Premium 7-Speaker Sound System with SiriusXM 360L and 3 Years included

- Premium GMC Infotainment System with Apple CarPlay and Android Auto

- Bed View Camera with Two Trailer Camera Provisions and Trailer Viewing Software

- HD Surround Vision with Ultrasonic Front and Rear Park Assist

- Spray-on Pickup Bedliner with GMC Logo

- 20" High Gloss Black 8-Spoke Aluminum wheels

- Heated and Ventilated Front Seats with 10-Way Power Adjusters

- Power Sunroof with Deep-Tinted Glass

- Universal Home Remote and Keyless Open and Start

This 2026 GMC Sierra 2500HD AT4 is built for those who demand capability without compromise. The Duramax 6.6L V8 Turbodiesel engine delivers substantial power and torque, making it suited for serious hauling and towing operations. The 10-speed automatic transmission paired with 4WD provides smooth acceleration and dependable control in varying conditions.

The AT4 trim elevates your experience with premium appointments and refined features. The Gooseneck/5th Wheel Prep Package gives you the infrastructure needed for professional-grade towing setups. The X31 Off-Road Package includes an off-road suspension and 2-speed active transfer case, equipping this truck for challenging terrain when adventure calls.

Inside, the cabin reflects quality construction and driver-focused design. Heated and ventilated front seats with 10-way power adjustment keep you comfortable through long drives. The Bose Premium Audio System powers your entertainment, while the 15-inch Head-Up Display delivers critical information directly into your line of sight. Wireless phone projection and the premium infotainment system keep you connected seamlessly.

The technology suite supports your work and travel needs with precision. The Bed View Camera with trailer camera provisions and accompanying software simplifies backing and hitching operations. HD Surround Vision provides 360-degree perspective around the truck, while ultrasonic park assist aids maneuvering in tight spaces. Trailer Side Blind Zone Alert adds another layer of awareness during towing.

Practical features throughout the truck bed enhance functionality. The spray-on bedliner with GMC logo protects the bed surface from daily wear. Rear wheelhouse liners add durability where impacts occur. LED cargo area lighting illuminates the bed for nighttime loading and unloading. A 120-volt bed-mounted power outlet and 120-volt instrument panel outlet provide convenient charging and tool options.

This truck combines work capability with refined comfort for drivers who expect both. The beige exterior presents a professional appearance, while the 20-inch high gloss black wheels add purposeful styling. With comprehensive safety technologies, intuitive controls, and premium materials, this Sierra 2500HD AT4 is ready to handle what you demand from it.

Call us at 512-954-9290 Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 $2500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026