Built for serious drivers and demanding workloads, the GMC Sierra 2500 HD stands is a heavy-duty truck that balances rugged capability with modern comfort. Whether you’re towing equipment to the job site or hauling gear for a weekend adventure, this truck is engineered to deliver.
Ready to get started? Discover the powerhouse that is the GMC Sierra 2500 HD, then shop our new GMC 2500 inventory at Beaman GMC in Antioch, TN.
Performance & Capability Highlights
- 6.6-Liter V‑8 Gas Engine
- Produces 401 horsepower and 464 pound-feet of torque, paired with a 10-speed automatic transmission for smooth shifts and strong performance.
- Available 6.6-Liter Turbo-Diesel V‑8
- Delivers an impressive 470 horsepower and a massive 975 pound-feet of torque. Paired with a 10-speed automatic transmission.
- Advanced Towing Features
- Standard Automatic Emergency Braking, trailer brake controller, and available exhaust brake on diesel models are all designed to make heavy hauling safer and more intuitive.
This truck isn’t just about brute strength — it’s precision, control, and capability from the ground up.
GMC Sierra 2500 HD Denali
The Denali version of the Sierra 2500 HD elevates luxury without compromising strength. Step inside to discover refined leather seating, a premium infotainment suite with a large touchscreen, and advanced driver aids. For the true apex of comfort and capability, consider the Denali Ultimate, which includes massaging seats, wood accents, a power sunroof, and a high-end Bose audio system along with the powerful Duramax diesel engine.
Rugged Off‑Road Ready: AT4 Series
If your work takes you off the beaten track, the GMC Sierra 2500 AT4 is purpose-built for rougher paths. It features off-road-tuned suspension with Rancho shocks, skid plates, all-terrain tires, and a locking rear differential. For even more extreme conditions, the AT4X trim goes further, adding a factory-installed 1.5-inch suspension lift, red recovery hooks, and exclusive styling.
Why the Sierra 2500 HD Is Perfect for Work
From construction sites to ranch roads, this truck delivers:
- Massive towing and payload capacity.
- Multiple engine choices to suit efficiency or maximum power.
- Built-in technologies that simplify heavy towing.
- A mix of comfort and rugged durability across trims.
- Specialized models that meet jobsite demands and off-road adventure alike.
FAQ
What is the maximum GMC Sierra 2500 HD towing capacity?
- Equipped with the Duramax diesel with Max Trailering Package, the GMC Sierra 2500 towing capacity is 21,870 pounds.^
Is there a GMC Sierra 2500 HD diesel engine?
- Yes: The available 6.6-liter Duramax turbo-diesel V8 is the go-to for maximum towing and hauling capabilities.
How does the GMC Sierra 2500 AT4 differ?
- The AT4 trim is built for rough terrain with all-terrain tires, underbody protection, and enhanced suspension. For serious off-roaders, the AT4X offers a lifted suspension, upgraded dampers, and rugged steel components.
Ready to Experience the GMC Sierra 2500 HD?
The 2026 GMC Sierra 2500 HD proves that heavy-duty doesn’t have to mean sacrificing sophistication. With trim choices that range from work-ready to luxury-loaded, there’s a version that precisely fits your needs. We have a wide range of new GMC trucks available at Beaman GMC, from the Sierra 2500 to the Sierra 1500 and 2500, we look forward to showing you around our selection when you visit us!
^Requires a Crew Cab long bed 2WD model with available Duramax 6.6L Turbo-Diesel V8 engine, Max Trailering package, Gooseneck/Fifth-Wheel Prep Package, 18″ or 20″ wheels and tires and gooseneck/fifth-wheel hitch. Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.
