2026 GMC Sierra ?3500 HD Chassis: Built for the Toughest Missions

When your business demands uncompromising strength and unyielding endurance, the 2026 GMC Sierra?3500 HD Chassis answers the call. Designed for vocational work, upfits, and fleet deployment, this heavyduty chassis cab offers the foundation you need — all so you can focus on the job, not the vehicle. Discover its handling, utility, and support at Wilkinson Chevrolet GMC. 

Power and Capability 

Every 2026 GMC Sierra 3500 HD Chassis is built to deliver reliable performance under demanding conditions. The standard 6.6-liter V8 gasoline engine produces 401 horsepower and 464 lb-ft of torque, offering consistent strength for heavy payloads and everyday job site duty.  

For businesses that require even more muscle, an available 6.6-liter Duramax® Turbo-Diesel V8 boosts output to 470 horsepower and an impressive 975 lb-ft of torque. Both engines are paired with a 10-speed automatic transmission and are optimized for durability, long-term use, and hauling efficiency.  

Upfit-Ready Utility and Flexibility 

Customers who depend on specialized bodies and equipment will appreciate the 2026 GMC Sierra?3500 HD Chassis because it’s designed with flexibility in mind. The open rear frame gives you a blank slate for utility beds, box trucks, service bodies or platform installations. Available cab configurations empower fleets to tailor the truck to their unique missions. 

Technology and Connectivity 

Inside this new GMC work truck you’ll find professionalgrade tools to manage work and crew with ease. An available 13.4inch touchscreen and 12.3inch digital driver display integrate infotainment, fleet management and telematics. Standard features such as wireless Apple?CarPlay® and Android?Auto™ keep drivers connected during long shifts.  

Designed for business environments, this cabin accommodates multiple users and work modes with durable materials, ample storage, and drivercentric layout. 

Safety and Support 

In commercial operations, reliability and driver protection matter. The 2026 GMC Sierra?3500 HD Chassis comes standard with advanced driver assistance features like forward collision alert, automatic emergency braking, lanekeep assist, and dedicated trailersensing systems. 

Upgrade Your Fleet with the 2026 GMC Sierra?3500 HD Chassis  

Discover the strength and adaptability your business demands with the 2026 GMC Sierra 3500 HD Chassis. Visit our Sanford, NC, GMC dealership to explore available configurations and commercial-grade features in person. Our GMC finance options are available to help you equip your fleet with confidence and efficiency.