New 2026 GMC Sierra 2500HD AT4 4WD

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 trailering capability
- X31 Off-Road Package with off-road suspension and 2-speed active transfer case
- Bose Premium 7-Speaker Sound System with SiriusXM 360L Trial
- Multicolor 15" Head-Up Display and HD Surround Vision
- Bed View Camera with trailer camera provisions and trailer viewing software
- Wireless Phone Projection and Apple CarPlay/Android Auto
- Heated and ventilated front seats with 10-way power adjusters
- Power sunroof and deep-tinted glass
- Ultrasonic front and rear park assist
- Spray-on pickup bedliner with GMC logo
- Remote vehicle starter and push button start
- Heated steering wheel and heated rear outboard seats

This 2026 GMC Sierra 2500HD AT4 delivers serious capability with the legendary Duramax 6.6L V8 Turbodiesel engine producing 975 lb-ft of torque. The 10-speed automatic transmission and 4WD system work together to provide the power and control you need for both daily driving and demanding work. With only 5 miles, this truck is essentially new and ready for your ownership experience.

The AT4 Premium Plus Package elevates your driving experience with premium features including a power sunroof, wireless charging, and wireless phone projection. The Bose premium audio system pairs with SiriusXM satellite radio to keep you entertained on every journey. The multicolor head-up display and premium GMC infotainment system keep critical information at your fingertips without distraction.

Trailering is made effortless with the gooseneck/5th wheel prep package, bed view camera with trailer viewing software, and hitch guidance with hitch view. The in-vehicle trailering system app provides real-time control and monitoring. These integrated systems transform towing into a confident, manageable task.

The X31 Off-Road Package equips this Sierra with an off-road suspension and 2-speed active transfer case, giving you genuine capability beyond the pavement. Hill descent control adds another layer of confidence when navigating challenging terrain. The truck's design and engineering make it equally at home on the job site or exploring adventure.

Inside, you'll find premium leather-appointed front seats with heating, cooling, and 10-way power adjustment. The heated steering wheel and dual-zone automatic climate control ensure comfort in any season. Heated rear outboard seats extend comfort to your passengers. Premium floor liners protect your investment while maintaining the truck's refined appearance.

Advanced technology and safety features include automatic emergency braking, forward collision alert, lane departure warning, and rear cross traffic alert. The ultrasonic park assist system helps you navigate tight spaces, while the rear premium floor liners and spray-on bedliner protect your truck's interior and cargo area. OnStar services keep you connected and supported.

This white Sierra 2500HD AT4 represents the full spectrum of modern truck capability. The combination of diesel power, premium comfort, advanced technology, and genuine off-road preparation creates a vehicle that performs across multiple dimensions of ownership. Visit us to experience this truck firsthand.

Call us at 512-954-9290 Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 09/30/2026 $1000 - GMC Incremental Consumer Cash Program. Exp. 09/30/2026