2026 GMC Sierra 2500HD AT4

From the store

Call us at 512-954-9290

- AT4 Premium Plus Package with Power Sunroof

- Technology Package

- X31 Off-Road Package with 2-Speed Active Transfer Case

- Bose Premium 7-Speaker Sound System

- SiriusXM with 360L Trial Subscription and 3 Years Service

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

- Bed View Camera with Trailer Camera Provisions

- HD Surround Vision with Ultrasonic Park Assist

- Wireless Phone Projection and Charging

- Multicolor 15" Head-Up Display

- Remote Vehicle Starter System

- Spray-on Pickup Bedliner with GMC Logo

- All-Weather Floor Liners, 1st and 2nd Rows

- Black Badging Package with Black Lug Nut and Wheel Lock Kit

- 20" High Gloss Black Aluminum Wheels

This 2026 GMC Sierra 2500HD AT4 in Sterling Metallic silver represents serious capability built for those who demand performance and refinement. Equipped with a 6.6L V8 engine paired with a 10-speed automatic transmission and 4WD, this truck delivers the power and traction you need for any job or adventure.

The AT4 Premium Plus Package elevates your driving experience with a power sunroof, comprehensive technology features, and the distinctive AT4 high clearance step. The included Technology Package provides advanced connectivity through the premium GMC infotainment system, Apple CarPlay and Android Auto integration, and wireless phone projection for seamless smartphone integration.

Interior comfort takes priority with heated and ventilated front seats featuring 10-way power adjustment with lumbar support, premium perforated leather trim, and heated rear outboard seats. The wireless charging pad and multiple USB ports throughout the cabin keep your devices powered. A Bose premium 7-speaker sound system delivers quality audio, complemented by three years of SiriusXM service.

Safety and visibility are built in with HD surround vision, a bed view camera with trailer provisions, trailer side blind zone alert, and ultrasonic front and rear park assist. The inside rearview auto-dimming rear camera mirror and multicolor 15" head-up display keep you informed. Automatic emergency braking and forward collision alert provide additional peace of mind on every drive.

Versatility shines with the X31 Off-Road Package featuring an off-road suspension, 2-speed active transfer case, and hill descent control for confident terrain management. The spray-on bedliner protects your truck bed, while the bed-mounted 120-volt power outlet supports your tools and equipment. All-weather floor liners in the first and second rows protect your investment from the elements.

The AT4 appearance is distinctly refined with the black badging package, black GMC emblems, and black Sierra nameplates. Premium touches include automatic high-beam headlights, rain-sensing wipers, heated door mirrors, and turn signal indicator mirrors. With only 5 miles on this new truck, you're getting a factory-fresh vehicle ready for your ownership.

Call us at 512-954-9290