New GMC Sierra 2500 HD for Sale | Alabama's #1 GMC Dealer

Maximize your towing power at Howard Bentley Buick GMC, the #1 GMC Dealer in Alabama and a Top 10 GMC Dealer in the Nation. Our selection of 2500 HD trucks features the 6.6L Duramax Turbo-Diesel. Discover why drivers from Albertville, Boaz, Huntsville, and Guntersville choose our 10-time Dealer of the Year team. Browse our inventory below.
 







   

10-Time Dealer of the Year: The Southeast's Heavy-Duty Hub

   

At Howard Bentley Buick GMC, we maintain the selection and expertise that heavy-duty buyers demand. As a Top 10 National GMC Dealer, we secure the most sought-after Sierra 2500 HD trims, including the AT4X and Denali Ultimate, serving professional-grade customers across Georgia, Tennessee, and Mississippi.

   

Serving Heavy-Duty Needs from Huntsville to Gadsden

   

Our sales data proves we are the primary HD truck source for drivers in Huntsville, Gadsden, and Birmingham, as well as local hubs like Boaz and Guntersville. Whether you are hauling in Athens or towing a fifth-wheel in Fort Payne and Centre, the Sierra 2500 HD provides the torque and stability you need.

   

Unmatched Capability: Duramax Diesel & Allison Transmission

   

Featuring the 6.6L Duramax Turbo-Diesel and 10-speed Allison® transmission, the Sierra 2500 HD is built for the toughest jobs. From Tuscaloosa to Scottsboro, our customers rely on the ProGrade™ Trailering System to make every task easier. Visit Alabama's #1 GMC dealer today.

   
       

See Why Heavy-Duty Truck Buyers Trust Alabama's #1 GMC Dealer

       
           
Tax, title, license and dealer fees (unless itemized above) are extra. All prices, specifications, and availability subject to change without notice. Contact dealer for most current information. Quoted prices include current cash rebates which may not be combinable with subvented apr offers. Any dealer installed options will be extra (where applicable). Due to the volatility of factory and dealer discounts, and changes that occur within the month, our pricing is subject to change without notice. MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the “Fuel Economy” portion of the EPA’s website for details, including a MPG recalculation tool).