2026 GMC Sierra 2500HD

Under the hood, the 2026 GMC Sierra 2500 HD offers impressive power and capability. It comes equipped with a standard 6.6-liter V8 gas engine that delivers 401 horsepower and 464 pound-feet of torque. For those seeking even greater towing power, the available 6.6-liter Duramax® turbo-diesel V8 engine produces an outstanding 470 horsepower and a massive 975 pound-feet of torque. Paired with an Allison® 10-speed automatic transmission, this truck provides smooth and responsive performance, even under heavy loads.

With a maximum towing capacity of up to 36,000 pounds when properly equipped, the Sierra 2500 HD is built for serious work. Features like the available ProGrade™ Trailering System and up to 15 camera views make towing safer and more manageable, giving you confidence on every drive.

Step inside the 2026 GMC Sierra 2500 HD, and you'll find a cabin designed for both comfort and functionality. Premium materials and thoughtful design elements create a space that feels upscale yet rugged enough for work. The spacious interior offers ample legroom and storage options, ensuring that you and your passengers stay comfortable on long journeys.

Available features like leather-appointed seating, a heated steering wheel, and dual-zone automatic climate control elevate the driving experience. The Sierra 2500 HD also offers innovative storage solutions, including under-seat compartments and a rear seatback storage system, to keep your essentials organized and within reach.

The 2026 GMC Sierra 2500 HD is packed with cutting-edge technology to keep you connected and in control. At the heart of the dashboard is an available 13.4-inch diagonal touchscreen infotainment system with wireless Apple CarPlay® and Android Auto™ compatibility. This intuitive system allows you to access navigation, music, and hands-free calling with ease.

For added convenience, the Sierra 2500 HD offers an available Head-Up Display that projects key information onto the windshield, helping you stay focused on the road ahead. Other tech highlights include a wireless charging pad, multiple USB ports, and an available Bose® premium sound system for an immersive audio experience.

Safety is a top priority in the 2026 GMC Sierra 2500 HD, which comes equipped with an array of advanced features to protect you and your passengers. Standard safety technologies include Forward Collision Alert, Automatic Emergency Braking, and Lane Departure Warning. These systems work together to help prevent accidents and keep you aware of your surroundings.

For added peace of mind, the available Safety Alert Seat provides haptic feedback to warn you of potential hazards. The Sierra 2500 HD also offers an available Rear Camera Mirror and Surround Vision system, giving you a comprehensive view of your environment when maneuvering in tight spaces.

The 2026 GMC Sierra 2500 HD is available in multiple trims to suit a variety of needs and preferences:

• Pro:A work-ready base model with essential features for heavy-duty tasks.
• SLE:Adds convenience features like cruise control and enhanced connectivity options.
• SLT: Offers premium interior upgrades and advanced technology features.
• AT4: Built for off-road enthusiasts with rugged design elements and all-terrain capabilities.
• Denali: The ultimate in luxury and performance, featuring exclusive styling and top-tier amenities.

Each trim level offers unique features and customization options, allowing you to build a truck that perfectly matches your lifestyle and requirements.

The 2026 GMC Sierra 2500 HD is a heavy-duty truck that excels in performance, comfort, and technology. Whether you're tackling demanding jobs or enjoying weekend getaways around HEREFORD, TX, this truck delivers unmatched capability and refinement. Visit Stevens 5-Star Car & Truck Center GMC to explore the Sierra 2500 HD lineup and find the perfect model for your needs today!