When heavy-duty work demands serious capability, the 2026 GMC Sierra 2500HD delivers the power and performance you need. Available at Sango GMC in Winnsboro, LA, this formidable pickup truck is designed for those who demand more from their vehicle.
The Sierra 2500HD comes equipped with two robust engine choices. The available 6.6-liter Duramax Turbo-Diesel V8 produces 470 horsepower and 975 pound-feet of torque, making it ideal for demanding towing and hauling. For those preferring gasoline power, the 6.6-liter V8 gas engine delivers 401 horsepower and 464 pound-feet of torque. Both engines pair with a smooth-shifting 10-speed automatic transmission.
GMC engineers designed the Sierra 2500HD with serious towing in mind. Standard trailering features include:
- Trailer hitch with seven-pin and four-pin connectors
- Hitch Guidance system
- Auto-locking rear differential
- Available In-Vehicle Trailering App
- Available Trailer Side Blind Zone Alert
The optional Max Trailering Package and Gooseneck/Fifth Wheel Prep Package provide additional capability for the most demanding jobs.
With seven available trims—Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate—the Sierra 2500HD offers configurations for every need. Off-road enthusiasts will appreciate the AT4 and AT4X trims, which feature specialized suspension, Hill Descent Control, and protective skid plates. Higher trims include Digital Variable Steering Assist for enhanced control in various conditions.
Visit Sango GMC in Winnsboro, LA to experience the exceptional capability of the 2026 GMC Sierra 2500HD firsthand.
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