New 2025 GMC Sierra 3500HD AT4

Description for 2025 GMC Sierra 3500HD AT4 Truck

The 2025 GMC Sierra 3500HD AT4 is a heavy-duty truck designed to handle tough jobs while delivering advanced technology and comfort. Powered by a Duramax 6.6L V8 turbodiesel engine paired with a 10-speed automatic transmission, this truck provides substantial power and torque for towing and hauling. With four-wheel drive and a 2-speed active transfer case, it is well-equipped for off-road adventures and challenging road conditions.

The exterior, finished in Onyx Black, features a bold design with gloss black grille insert bars and LED smoked amber roof marker lamps. It also includes deep-tinted glass for added privacy and protection from the sun. The spray-on pickup bedliner with a GMC logo enhances durability, and the gooseneck/5th wheel prep package makes it ready for heavy towing needs. LED cargo area lighting ensures visibility when working in low-light conditions.

Inside, the Sierra 3500HD AT4 offers a premium experience with Jet Black leather seats accented by Kalahari details. The cabin includes heated and ventilated front seats, heated second-row outboard seats, and a floor-mounted center console. The power sunroof provides an open-air feel, while the 15-inch diagonal head-up display projects key driving information onto the windshield for added convenience.

Technology is a key feature of this truck, with a Bose premium 7-speaker sound system, wireless charging, and wireless phone projection. The AT4 Premium Plus Package adds advanced driver assistance features, including a bed view camera with trailer camera provisions, HD surround vision, and a rear cross-traffic alert system. The truck also includes lane departure warning, trailer side blind zone alert, and ultrasonic front and rear park assist to enhance safety.

For convenience, this model is equipped with keyless open and start, a remote vehicle starter system, and multiple USB ports, including two charge/data ports inside the center console and two charge-only rear USB ports. The manual tilt-wheel/telescoping steering column allows for a customizable driving position, and the steering wheel audio controls provide easy access to entertainment options.

The Sierra 3500HD AT4 also includes the X31 Off-Road Package, featuring hill descent control and off-road high clearance steps, making it ready for rugged terrain. Additionally, the truck comes with an unauthorized entry theft-deterrent system for added security.

As with all qualifying purchases at Walt Massey, this vehicle comes with the 3 Day Money Back Guarantee. If returned within three business days in like-new condition and with less than 300 miles driven, customers are eligible for an exchange. Any additional miles beyond the 300-mile limit will incur a charge of $1.00 per mile.

This truck is built for those who need capability, comfort, and cutting-edge technology in one powerful package.
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