2025 GMC SIERRA HEAVY DUTY

Premium interiors to make every trip first-class. Powerfully bold. Stands out proud. Experience serious comfort in Sierra Heavy Duty’s available best-in-class* 16-way power front seats with massaging feature. Sierra HD Denali Ultimate’s Alpine Umber interior features full-grain leather seating, plaited contrast stitching, and embossed and laser-etched topographical map patterns of Mt. Denali’s summit. Stand out everywhere you go with GMC Sierra HD Denali’s iconic chrome grille, front bumper and fascia. LED projector headlamps with striking animated sequences help enhance Sierra Heavy Duty’s impressive exterior design.

Serious power. Serious trailering. Sierra Heavy Duty’s available Duramax 6.6L Turbo-Diesel V8 engine features an efficient turbocharger and Allison 10-speed automatic transmission. The 2500 Crew Cab offers available max towing of up to 21,870 lbs. The 2025 Sierra Heavy Duty offers more trailering-assistance technologies than any competitor in its class, so you can trailer with confidence. The powerfully innovative available MultiPro Tailgate combines six convenient functions to help make light work of almost any job in your work truck.

Keep informed and in command. This available tablet-style touchscreen is the customizable, high-tech centerpiece of the cabin. The available 15" diagonal Head-Up Display helps keep important information like speed and alerts in clear view. Control and customize important vehicle, driving and infotainment content in high-resolution clarity with an available 12.3" diagonal digital Driver Information Center.