2026 GMC Sierra 2500

The 2025 GMC Sierra 2500 HD is available in multiple trims—Pro, SLE, SLT, AT4, and Denali—each tailored to different lifestyles. The exterior design blends a muscular stance with premium detailing: Bold Front Fascia – Featuring a signature GMC grille and advanced LED headlamps. Wheel Options – Ranging from durable 17-inch steel wheels to polished 20-inch alloys. Cargo Innovations – The available MultiPro™ Tailgate offers six unique functions for convenience on worksites or family trips. AT4 Trim – Rugged styling with off-road features like skid plates and red tow hooks. Denali Trim – Chrome accents, power-retractable assist steps, and exclusive badging create a luxury finish.

The 2025 Sierra 2500 HD provides two powerhouse engine options: 6.6L V8 Gas Engine – 401 horsepower and 464 lb-ft of torque, paired with a 10-speed automatic transmission for smooth delivery. 6.6L Duramax Turbo-Diesel V8 – An impressive 470 horsepower and 975 lb-ft of torque, ensuring exceptional towing and hauling performance. Both engines are engineered for durability, efficiency, and raw strength, making the Sierra 2500 HD ready for the heaviest loads.

Capability stands at the core of the 2025 Sierra 2500 HD. The truck’s performance features make it a leader in its class: Max Towing – Up to 22,500 pounds (when properly equipped) ensures it handles large trailers, boats, or equipment with ease. Trailering Tech – Advanced systems like Transparent Trailer View and in-vehicle trailering apps enhance driver confidence. Off-Road Ready – With the AT4 trim, drivers get Rancho® shocks, an off-road suspension, and skid plates for rugged terrain. Smooth Ride – Independent front suspension improves stability, especially when towing heavy loads.

Inside the Sierra 2500 HD, refinement meets functionality. Each trim provides a spacious and technology-rich cabin: Comfort Features – Available heated and ventilated front seats, leather-appointed surfaces, and dual-zone climate control. Technology – GMC’s infotainment system with available 13.4-inch diagonal touchscreen and wireless Apple CarPlay® and Android Auto™. Connectivity – USB ports, wireless charging, and premium Bose® sound system (available on SLT and Denali). Utility – Generous interior storage, including under-seat compartments and a large center console.

The 2025 Sierra 2500 HD integrates advanced driver-assist technology to keep drivers secure on every journey: Standard GMC Pro Safety – Forward Collision Alert, Automatic Emergency Braking, and Lane Departure Warning. Adaptive Cruise Control – Helps maintain safe following distances on highways. Trailer Safety – Trailer Sway Control and Trailer Side Blind Zone Alert for enhanced confidence when towing. Surround Vision – Available camera system gives a comprehensive view around the truck.