New 2025 GMC Sierra 3500HD AT4

Description for 2025 GMC Sierra 3500HD AT4 Truck

The 2025 GMC Sierra 3500HD AT4 is a robust and versatile heavy-duty truck designed to handle demanding tasks while offering premium features for enhanced comfort and convenience. This model combines rugged capability with luxury and cutting-edge technology, making it a standout option for those seeking performance without compromising refinement.

Under the hood, the Sierra 3500HD AT4 is powered by a Duramax 6.6L V8 turbodiesel engine paired with a 10-speed automatic transmission. This powerful combination delivers impressive towing and hauling capabilities, ideal for work or recreational needs. With 4WD and a 2-speed active transfer case, this truck is prepared to tackle off-road adventures and challenging terrains.

The exterior features a striking Thunderstorm Gray finish, complemented by 20-inch high-gloss black aluminum wheels and smoked amber roof marker lamps. Off-road enthusiasts will appreciate the X31 Off-Road Package, which includes off-road high-clearance steps, hill descent control, and skid plates for added durability. Practical elements like a spray-on bedliner, gooseneck/5th wheel prep package, and LED cargo area lighting enhance utility, while the bed view camera and trailer camera provisions improve visibility during towing.

Inside, the Sierra 3500HD AT4 offers a luxurious cabin with Jet Black leather seats accented by Kalahari stitching. The AT4 Preferred and Premium Plus Packages provide an array of features to elevate your driving experience. Heated and ventilated front seats, a heated steering wheel, and heated second-row outboard seats ensure comfort in all seasons. The cabin is further enhanced by advanced technology, including a multicolor 15-inch diagonal head-up display, a Bose premium 7-speaker sound system, and wireless phone projection for seamless connectivity.

Safety and driver-assistance technologies are abundant in this model, with features like lane departure warning, rear cross-traffic alert, trailer side blind zone alert, and a safety alert seat. The HD surround vision and ultrasonic front and rear park assist systems provide added confidence when navigating tight spaces. The Sierra also includes advanced theft deterrent systems for peace of mind.

Convenience features such as keyless open and start, power sunroof, remote vehicle starter system, and wireless charging simplify daily use. Multiple USB ports and a 120-volt power outlet in the bed and instrument panel ensure devices stay powered on the go.

This truck is protected by the Walt Massey 3 Day Money Back Guarantee. If the vehicle doesnt meet your expectations, you can return it within three business days as long as it remains in like-new condition and has been driven fewer than 300 miles. If it exceeds this mileage, a $1.00 per mile fee applies.

The 2025 GMC Sierra 3500HD AT4 is an excellent choice for those who require a heavy-duty truck with the perfect balance of power, luxury, and modern technology.
Not all rebates may apply. Some rebates are not compatible with other rebates. Offers are subject to change. See dealer for details. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 03/03/2025