2026 GMC Sierra 2500 HD in Alliance, OH

The 2026 GMC Sierra 2500 HD is engineered to move mountains — or at least everything you can throw at it. Available powertrain options are designed to maximize towing and hauling capability without sacrificing drivability. The available Duramax 6.6-liter turbo-diesel V8 engine is a standout choice for those who demand serious pulling power, while the standard 6.6-liter V8 gasoline engine delivers robust performance for everyday heavy-duty tasks. Both engines pair with a heavy-duty transmission to keep power flowing smoothly, whether you're loaded up or running light. Available trailering technology features, including an Integrated Trailer Brake Controller, give you precise control when it matters most.

Step inside the 2026 Sierra 2500 HD and you'll find a cabin that balances rugged utility with thoughtful comfort. Available in both regular cab, double cab, and crew cab configurations, there's a layout to match nearly every need. Higher trims like the Denali and AT4 elevate the experience significantly, featuring premium materials, heated and ventilated front seats, a heated steering wheel, and genuine open-pore wood or metal interior trim accents. Even base trims offer a well-organized, functional workspace with ample storage solutions. The available MultiPro Tailgate adds versatile functionality outside the cabin, giving you multiple configurations for loading, working, and accessing the bed with ease.

The 2026 GMC Sierra 2500 HD brings a suite of advanced technology features that keep you informed, connected, and in command. A standard 13.4-inch diagonal color touchscreen with GMC's intuitive infotainment system anchors the center console, supporting wireless Apple CarPlay and Android Auto compatibility. Available wireless device charging keeps your devices powered without the clutter of cables. The available Super Cruise driver assistance technology, compatible with select highway routes, provides a hands-free driving experience for long hauls. OnStar connectivity, available Wi-Fi hotspot capability, and a premium Bose audio system round out a tech package that puts everything you need right at your fingertips.

GMC equips the 2026 Sierra 2500 HD with an impressive lineup of safety and driver assistance features designed to keep you and your cargo protected. Available features include Forward Collision Alert, Automatic Emergency Braking, Front Pedestrian Braking, Lane Change Alert with Side Blind Zone Alert, and Rear Cross Traffic Alert. The available HD Surround Vision system uses multiple cameras to provide a comprehensive view of your surroundings — especially valuable when maneuvering in tight spaces or backing up to a trailer. The available ProGrade Trailering System with 14 integrated cameras, in-vehicle trailering app, and Hitch Guidance helps simplify the entire towing process from hook-up to destination.

The 2026 GMC Sierra 2500 HD is offered in a well-rounded lineup of trims to suit a wide range of buyers. The Pro serves as the capable entry point, delivering core heavy-duty performance features in a straightforward package. The SLE adds comfort and technology upgrades to make daily driving more enjoyable. Moving up, the SLT brings a more premium experience with added interior refinement and additional driver assistance technology.

The AT4 trim introduces a serious off-road personality, featuring a factory-lifted suspension, skid plates, an Eaton electronic locking rear differential, and All-Terrain tires. At the top of the lineup, the Denali delivers the ultimate expression of luxury and capability, blending premium interior appointments, exclusive exterior styling, and a full suite of advanced technology into one formidable package.

The 2026 GMC Sierra 2500 HD is a heavy-duty truck that takes every task seriously — and does so with a level of refinement that sets it apart from the competition. From its powerful engine options to its thoughtfully designed interior and cutting-edge technology, it's built for those who need more from their truck. Visit us to explore the full Sierra 2500 HD lineup and find the trim that's right for you.