2026 GMC Sierra 2500

The 2026 GMC Sierra 2500HD SLT represents capability and confidence on every road and job site. This powerfully equipped truck brings together heavy-duty performance with refined comfort, delivering the reliability you need when it matters most. - Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque - Max Trailering Package with 3500 HD frame and 12 rear axle - X31 Off-Road Package with Hill Descent Control and Rancho shocks - 20 Bright Face wheels with All-Terrain blackwall tires - SLT Premium Package with convenience and preferred features - Bose Premium 7-Speaker Sound System with SiriusXM 360L trial - Spray-on bed liner with GMC logo - Heated and ventilated front seats with 10-way power adjusters - Bed View Camera with Trailer Camera provisions - HD Surround Vision and Ultrasonic Park Assist - Wireless Phone Projection and Charging capability - Adaptive Cruise Control with Forward Collision Alert - Remote Vehicle Starter and Push Button Start - Black Badging Package for distinctive styling - 6 Rectangular Chrome Assist Steps The Duramax diesel engine delivers the power and torque your work demands, backed by an engine block heater for reliable cold-weather starting. The Max Trailering Package builds on the 3500 HD foundation with heavy-duty components including reinforced frame, leaf springs, and gooseneck prep provisionsâeverything you need for serious hauling. Whether you're managing a job site or towing a trailer, this truck handles the mission with confidence. The X31 Off-Road Package transforms your capability over challenging terrain. Hill Descent Control, off-road tuned suspension, and Twin-tube Rancho shocks give you the advantage in unpredictable conditions. The spray-on bed liner protects your payload investment, while the black badging and 20-inch bright face wheels deliver striking visual presence. Inside, the SLT Premium Package surrounds you with thoughtful amenities. Heated and ventilated front seats adjust ten ways with lumbar support, while the Bose audio system brings premium sound quality to every drive. The wireless charging pad and dual-zone climate control enhance daily comfort. Technology features like the Bed View Camera, HD Surround Vision, and Ultrasonic Park Assist provide practical support for maneuvering and towing, while Adaptive Cruise Control handles highway driving with greater ease. Visibility and safety are prioritized throughout. Rain-sensing wipers, automatic high-beam headlights, and the comprehensive camera system keep you aware in all conditions. The truck's safety suite includes Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alertâsystems designed to help prevent accidents before they happen. This is a truck built for those who understand the value of capability without compromise. The 2026 GMC Sierra 2500HD SLT combines diesel efficiency with heavy-duty strength, premium comfort with practical technology, and distinctive styling with genuine of