The popular new GMC Sierra 2500HD heavy-duty pickup continues to impress with its combination of capability, refinement, and advanced features. As we look ahead to the 2026 model year, GMC has made some notable updates to this rugged workhorse. Let's take a closer look at what's new in the 2026 GMC Sierra 2500 compared to the outgoing 2025 model.
One of the biggest changes for 2026 is an expanded range of trims, giving Mahwah truck buyers more options to fit their needs and budget. The GMC Sierra 2500HD lineup now includes the base Pro, SLE, SLT, off-road-ready AT4 and AT4X, premium Denali, and range-topping Denali Ultimate. This wide array lets you choose the ideal blend of features and capabilities, from the well-equipped entry models to the ultra-luxurious top trims.
Under the hood, the 2026 Sierra 2500 offers two powerful engine choices. The standard 6.6-liter V8 churns out an impressive 401 horsepower and 464 pound-feet of torque - perfect for tackling tough jobs around Ramsey. For even more power and stump-pulling torque, the available 6.6-liter Duramax turbodiesel V8 cranks out 470 horsepower and a massive 975 pound-feet. Both pair with a smooth 10-speed automatic transmission for easy towing and hauling.
Speaking of towing, the 2026 GMC Sierra 2500HD comes ready to work, with enhancements to its already formidable trailering technology. Features like Englewood shoppers with RVs or equipment to tow will appreciate that the GMC Sierra 2500HD boasts up to 14,500 pounds of conventional towing capacity when properly equipped. And with up to 15 unique camera views, hooking up and monitoring your trailer is easier than ever.
Inside the spacious, quiet cabin, the 2026 Sierra 2500 offers a range of updated comfort and tech features. The new larger high-definition infotainment touchscreen is available on more trims, putting your media, maps, and smartphone apps just a tap away. Higher trims offer luxuries like leather upholstery, heated and ventilated front seats, a Bose premium audio system, and a 15-inch head-up display.
Choosing between the 2025 and 2026 GMC Sierra 2500HD, Riverdale truck shoppers will find meaningful improvements and a wider range of choices in the newer model. But with so many well-equipped trims and powerhouse performance, you can't go wrong either way. Experience the rock-solid HD capabilities of the GMC Sierra 2500HD for yourself with a test drive at Buick GMC of Mahwah, your Riverdale area GMC truck headquarters.