2026 GMC Sierra HD in Front Royal, VA

Professional Grade Strength for Every Job

The 2026 GMC Sierra HD is built to redefine heavy-duty capability, delivering the perfect blend of power, technology, and refinement. Designed for those who demand more from their trucks—whether at the jobsite, on the highway, or off the beaten path—the GMC Sierra HD embodies strength and precision in every detail. At Front Royal Buick GMC, we’re proud to offer this lineup of powerhouse pickups, including the GMC Sierra 2500 HD and 3500 HD, engineered to tackle the toughest challenges with ease.

2026 GMC Sierra HD Trim Levels

Power That Commands Attention

Every 2026 GMC Sierra HD starts with proven power under the hood. Choose between a 6.6-liter V8 gas engine generating 401 horsepower and 464 lb.-ft. of torque, or the available 6.6-liter Duramax® Turbo-Diesel V8 engine, delivering an impressive 470 horsepower and 975 lb.-ft. of torque. Both engines pair with the advanced Allison® 10-speed automatic transmission for smooth, responsive performance and excellent towing control. On the outside, the GMC Sierra HD exudes bold confidence with its muscular stance, premium LED lighting, and signature grille design. Available trims such as AT4X and Denali Ultimate bring unique styling elements that blend rugged durability with premium craftsmanship.

Capability That Works as Hard as You Do

When it comes to power and productivity, the 2026 GMC Sierra HD leads the pack. The GMC Sierra 2500 HD can tow up to 22,390 lbs., offers a maximum available GCWR of 30,000 lbs., and carries a maximum payload of 4,049 lbs. For even greater strength, the GMC Sierra 3500 HD delivers up to 31,500 lbs. of maximum towing capacity, a GCWR of 43,900 lbs., and a maximum payload of 7,290 lbs. Advanced systems like the ProGrade® Trailering System, available 14 camera views, and an in-vehicle trailering app simplify the towing process, offering unmatched control and visibility. Whether hauling heavy loads or navigating tough terrain, the GMC Sierra HD is built to outperform expectations.

Premium Interior and Advanced Technology

Inside, the 2026 GMC Sierra HD combines first-class comfort with cutting-edge innovation. The cabin features a 13.4-in. GMC Premium Infotainment Center, a 12.3-in. digital driver display, and an available 15-in. Head-Up Display, creating a high-tech command center for every journey. Available Super Cruise® hands-free driving technology brings confidence to long hauls, while Google built-in integration, wireless Apple CarPlay®, and Android Auto™ keep you seamlessly connected. Premium materials, refined design, and available leather-appointed seating make the GMC Sierra HD as luxurious as it is capable.

Experience the 2026 GMC Sierra HD

The 2026 GMC Sierra HD is engineered for those who never back down—offering unmatched towing strength, intelligent trailering technology, and professional-grade luxury. From the GMC Sierra 2500 HD to the GMC Sierra 3500 HD, every model is built to perform with confidence, power, and precision. Visit Front Royal Buick GMC today to test-drive the 2026 GMC Sierra HD and discover why it remains the benchmark for heavy-duty trucks.