2025 GMC Sierra 2500HD AT4 Truck Crew Cab Duramax V8 Turbodiesel

Meet the 2025 GMC Sierra 2500HD AT4, a premium heavy-duty pickup built to handle serious work and deliver commanding presence on any road.

- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque
- Max Trailering Package with 3500 HD frame, leaf springs, and gooseneck/5th wheel prep
- Power-retractable assist steps with LED lighting
- Off-road high clearance step
- 20" high gloss black aluminum wheels
- Power sunroof
- Bose premium 7-speaker sound system with SiriusXM 360L
- Heated and ventilated leather front seats with 10-way power adjustment
- Multicolor 15" head-up display
- HD surround vision with bed view and trailer cameras
- Automatic emergency braking with front pedestrian braking
- Wireless charging and wireless phone projection
- Spray-on pickup bed liner

This Sierra 2500HD comes equipped with the AT4 Premium Plus Package, combining capability with refined comfort. The legendary Duramax diesel engine pairs with heavy-duty components engineered for substantial towing and hauling. The Max Trailering Package adds a reinforced frame, upgraded suspension, and preparation provisions for fifth-wheel and gooseneck trailer configurations, making this truck ready for demanding work.

The cabin reflects GMC's commitment to premium appointments. Heated and ventilated perforated leather seats, dual-zone climate control, and a heated steering wheel provide comfort in any season. The 15-inch head-up display projects critical driving information directly into your line of sight, while the Bose sound system delivers clear audio throughout the spacious interior.

Advanced technology enhances both capability and safety. The HD surround vision system with bed view camera and trailer camera provisions gives you confidence when maneuvering in tight spaces. Automatic emergency braking, forward collision alert, and trailer side blind zone alert provide additional layers of protection. The in-vehicle trailering system app and hitch guidance with hitch view simplify towing operations.

The AT4 off-road package and 2-speed active transfer case position this truck as equally at home on rough terrain as it is on the highway. Hill descent control, all-terrain suspension, and the available winter grille cover demonstrate thoughtful engineering for challenging conditions. The power-retractable assist steps with integrated LED lighting provide practical access while adding to the truck's commanding appearance.

This 2025 Sierra 2500HD AT4 represents serious capability paired with genuine luxuryâ€"a truck that performs without compromise and carries its driver in style. Visit our showroom to experience its commanding presence and refined engineering firsthand.