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The 2026 GMC Sierra 2500 HD is a heavy-duty pickup with bold style and equally bold performance. This truck provides powerful strength to get the job done while modern style and comfort features make the job more enjoyable. Advanced technology helps you get through your day with the information and safety systems you need.
Powering the 2026 GMC Sierra 2500 HD is a 6.6L V8 gas engine, which delivers 401 horsepower and 464 lb.-ft of torque and is paired with an Allison 10-speed automatic transmission. You also have the option of a 6.6L Duramax Turbo-Diesel V8 engine with 470 horsepower and 975 lb.-ft of torque, also paired with the ten-speed transmission. Add wiring for trailering a fifth wheel or gooseneck trailer.
The 2026 GMC Sierra 2500 HD garners attention wherever it goes, beginning with a bold front end and iconic grille. LED projector headlamps and signature lighting brighten your way and add a distinct look to the truck. Design for this truck is also practical with the MultiPro Tailgate with six functions to fit all your tasks.
Technology for the 2026 GMC Sierra 2500 HD partners with you in your day, starting with the 12.3-inch diagonal color driver information center. Information can also be projected into your line of sight with the 15-inch diagonal multicolor Head-Up Display. Keep track of entertainment and settings with the 13.4-inch diagonal premium GMC infotainment system with Google built-in.
The 2026 GMC Sierra 2500 HD adds a few new updates. The MultiPro Tailgate is now available on the SLT trim. You have two new colors for the exterior with Glacier White Tricoat and Coastal Dune.
The 2026 GMC Sierra 2500 HD is a practical choice for business owners in St. Louis who need a capable truck for hauling and towing around Edwardsville and Granite City. This pickup is also a great option for families who like to enjoy the great outdoors with a boat or RV and need a truck strong enough to pull a load. Two rows of seating allow you to fit your family or a work crew in the 2500 HD.
Quality Buick GMC wants to make it easy for you to choose the right truck for your lifestyle. Our sales team will introduce you to the available options in our GMC showroom and let you know what features are available. You can shop and purchase your truck online for added convenience. Our finance experts can assist you with financing when you fill out the online application.
