2026 GMC Sierra HD Inventory Burlington VT

The GMC Sierra HD has the power and capability to handle tough jobs, heavy trailers, and long hauls with confidence. Available with the Duramax 6.6L Turbo-Diesel V8 and a 10-speed automatic transmission, it delivers 470 horsepower and 975 lb-ft of torque for strong pulling power when you need it most. An available exhaust brake also helps give drivers better control while towing, especially on hills or steep roads. When properly equipped, the Sierra 2500 HD Crew Cab can tow up to 21,870 pounds, making it a solid choice for work equipment, campers, and large trailers. The available ProGrade Trailering System adds even more confidence with helpful features like up to 14 camera views and a transparent trailer view.

Inside the Sierra HD, you'll find a stylish and comfortable interior. For example, the Denali Ultimate trim takes offers premium full-grain leather seating, detailed contrast stitching, and unique topographical map-inspired interior accents. The Sierra HD also gives passengers plenty of room with best-in-class standard Crew Cab front headroom and legroom. Inside the cabin, technology features like the available 13.4-inch GMC Infotainment System with Google built-in compatibility make it easy to stay connected and entertained, while the available Head-Up Display projects important information like speed, navigation, and alerts directly onto the windshield. A large 12.3-inch Driver Information Center also helps keep key vehicle information clear and easy to see while driving.

The GMC Sierra HD Denali features a bold exterior design that gives the truck a strong and upscale look wherever it goes. Its large chrome grille and front-end styling help it stand out, while the LED projector headlamps with animated lighting add a modern feel. One of the most useful features is the GMC MultiPro Tailgate, which is designed to make loading and unloading easier in several different ways. It can be used as a step, a work surface, or a load stop to help keep cargo secure, making it especially practical for both work and everyday use. The tailgate can also be opened with the key fob for added convenience, and the available KICKER audio system lets you enjoy music outside the truck during jobsite breaks, tailgates, or weekend trips.

Drivers in the Burlington area can visit us at Key GMC of South Burlington to explore our selection of GMC Sierra HD inventory and find the heavy-duty truck that fits their needs. Whether you're looking for impressive towing capability, advanced technology, or premium comfort features, the Sierra HD offers plenty of options for work and everyday driving alike. You can start shopping online anytime to browse available models, compare trims, and explore features from home. If you have questions or want to learn more, feel free to contact us using the form below, and you can also apply for financing through our convenient online finance application to help get a great deal on your next GMC Sierra HD.