New GMC Sierra 2500 HD Inventory
Find Your Next Sierra 2500 HD Near Columbus
The 2026 GMC Sierra 2500 HD is built for people who tow and haul for a living or for serious weekends. It comes standard with a 6.6L gas V8 and an Allison 10-speed automatic, and the available Duramax 6.6L Turbo-Diesel V8 makes 470 horsepower and 975 lb-ft of torque. Towing reaches up to 22,390 pounds, payload tops out at 4,049 pounds, and LED projector headlamps with animated sequences give the front end a sharp, modern look. At Barkley Buick GMC, we stock the Sierra 2500 HD across our new GMC inventory, from the work-ready Pro to the Denali Ultimate.
Breaking Down the New Sierra 2500 HD
This truck pairs real capability with a cabin that can go from simple and durable to fully upscale, depending on the trim. Buyers can choose from Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate, and the technology is built around trailering and visibility. Inside, the 13.4-inch touchscreen and 12.3-inch driver display keep navigation, trailer info, and camera feeds easy to read, and the Denali trims add authentic wood trim for a more refined feel.
- Standard 6.6L V8 gas engine with Allison 10-speed automatic transmission
- Available Duramax 6.6L Turbo-Diesel V8 rated at 470 hp and 975 lb-ft of torque
- Maximum towing up to 22,390 lbs. and maximum payload of 4,049 lbs.
- 13.4-inch diagonal touchscreen with Google built-in compatibility and a 12.3-inch Driver Information Center
- Wireless Apple CarPlay and Android Auto
- Up to 14 available camera views, including Transparent Trailer View
- Available 15-inch diagonal Head-Up Display with an off-road inclinometer
- Adaptive Cruise Control with trailering
- Available MultiPro Tailgate with six functions
- Up to 16-way heated, ventilated, massaging power front seats with full-grain leather and Paldao wood on Denali Ultimate
The Sierra 2500 HD and Why Columbus Drivers Take Notice
A lot of our customers pull campers, livestock trailers, boats, and equipment on a regular basis, and the Sierra 2500 HD is built for that kind of work. Contractors shopping for a GMC Sierra 2500 HD near Northport can load up to 4,049 pounds of payload, while Columbus-area shoppers who tow long distances often lean toward the Duramax for its torque. Families in Holt who spend weekends at the lake get Transparent Trailer View and multiple camera angles that take the stress out of backing down a ramp. The AT4 and AT4X make sense for anyone heading down gravel roads toward hunting land.
How Barkley Buick GMC Supports Sierra 2500 HD Buyers Beyond the Sale
Barkley Buick GMC is part of the family-owned Barkley Automotive Group, and we have served West Alabama for generations. When you are ready, you can apply for financing through our online credit application, and available GMC warranty coverage is part of the conversation. After the sale, our service department uses GM-approved parts and procedures. Seasonal service offers and maintenance incentives make routine care easier to stay on top of, and our parts department supplies what heavy-duty upkeep calls for. If a truck ever needs body work, the on-site Barkley Collision Center handles repairs right here.
Frequently Asked Questions About the New Sierra 2500 HD
How much can the GMC Sierra 2500 HD tow?
The Sierra 2500 HD can tow up to 22,390 pounds when properly equipped.
What engines are available in the Sierra 2500 HD?
A 6.6L V8 gas engine is standard, and the Duramax 6.6L Turbo-Diesel V8 with 470 hp and 975 lb-ft of torque is available. Both use an Allison 10-speed automatic.
What is the maximum payload of the Sierra 2500 HD?
Maximum payload is 4,049 pounds.
What trims does the Sierra 2500 HD come in?
It is offered in Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate trims.
Does the Sierra 2500 HD have Apple CarPlay and Android Auto?
Yes. Wireless Apple CarPlay and Android Auto work through the 13.4-inch diagonal touchscreen.
1Dealer Discount applied to everyone