The 2026 GMC Sierra 2500 HD is a powerhouse designed to handle the toughest jobs with confidence and precision. It offers a range of capable engine options, including a 6.6-liter V8 gas engine that produces 401 horsepower and 464 pound-feet of torque.

For those who need maximum pulling power, an available 6.6-liter Duramax turbo-diesel V8 generates 470 horsepower and an impressive 975 pound-feet of torque.

Paired with an Allison 10-speed automatic transmission on diesel-equipped models, the Sierra 2500 HD delivers smooth, responsive power whether you're on the job site or the open highway.

Step inside the 2026 GMC Sierra 2500 HD and you'll find a cabin that balances function and comfort in a way that few heavy-duty trucks can match. Available seating configurations accommodate up to six passengers, and materials range from durable work-friendly surfaces on entry trims to premium leather-appointed seating on higher-end models.

The Denali trim elevates the experience further with genuine open-pore wood trim, heated and ventilated front seats, and a heated steering wheel.

Thoughtful storage solutions, including a large center console and available under-seat storage, keep the cab organized no matter how demanding the workday gets.

The 2026 GMC Sierra 2500 HD comes loaded with technology designed to keep you connected, informed, and in control. A standard 13.4-inch diagonal touchscreen runs the intuitive GMC infotainment system, which supports wireless Apple CarPlay and Android Auto compatibility.

Available features include a 15-inch diagonal head-up display, a 14-speaker Bose premium audio system, and wireless device charging.

The available Super Cruise hands-free driver assistance technology is a standout feature, allowing eligible hands-free highway driving on compatible roads. OnStar connectivity with an available Wi-Fi hotspot keeps passengers connected on the go.

GMC has equipped the 2026 Sierra 2500 HD with a comprehensive suite of driver assistance and safety technologies. Standard features include automatic emergency braking, front pedestrian braking, lane keep assist with lane departure warning, and following distance indicator.

Available technologies include a 15-camera surround-view system — a remarkable tool when maneuvering with large loads or trailers — along with rear cross-traffic alert, blind-zone steering assist, and HD Rear Vision Camera.

The available ProGrade Trailering System with in-vehicle trailering app makes hitching, monitoring, and managing your trailer setup more straightforward than ever.

The 2026 GMC Sierra 2500 HD is available in a well-rounded lineup of trim levels designed to suit a wide range of needs and preferences. The Pro serves as the capable foundation, offering a strong feature set for work-focused buyers.

The SLE adds comfort and convenience upgrades, while the SLT brings a more refined experience with additional technology and interior enhancements.

For drivers seeking serious off-road capability, the AT4 trim delivers skid plates, an off-road suspension system, and Terrain Mode with Hill Descent Control.

At the top of the range, the Denali and Denali Ultimate trims offer a truly premium experience with exclusive styling, luxury materials, and the most advanced technology features available.

The 2026 GMC Sierra 2500 HD stands as one of the most versatile and capable heavy-duty trucks on the market today. Whether you need a hardworking daily hauler or a premium-equipped full-size truck, there's a Sierra 2500 HD built for you.

Visit us in Pipestone, MN. to explore the full lineup and find the configuration that fits your needs.