New 2025 GMC Sierra 3500HD AT4

Description for 2025 GMC Sierra 3500HD AT4 Truck

The 2025 GMC Sierra 3500HD AT4 is a powerful and capable heavy-duty truck designed for those who need strength, durability, and advanced technology for work or adventure. This 4WD Crew Cab model is equipped with a Duramax 6.6L V8 turbodiesel engine paired with a 10-speed automatic transmission, providing the performance required for heavy towing and hauling. The trucks exterior, finished in Sterling Metallic, is both rugged and refined, featuring a bold front grille with gloss black accents and smoked amber roof marker lamps.

Inside, the Sierra 3500HD AT4 offers a premium cabin with Jet Black leather seats accented with Kalahari trim. Comfort is a priority with heated and ventilated front seats, heated second-row outboard seats, and a power sliding rear window with a defogger. The floor-mounted center console provides additional storage, while the multicolor 15-inch diagonal head-up display enhances driver awareness by projecting key information onto the windshield.

Technology is a standout feature in this model, with the Bose premium 7-speaker sound system delivering high-quality audio and the wireless phone projection system allowing seamless smartphone integration. The truck includes multiple USB ports, a wireless charging pad, and a 120-volt power outlet in both the bed and instrument panel for added convenience. The SiriusXM with 360L trial subscription provides entertainment on long drives, and the universal home remote allows for easy garage door access.

When it comes to safety, the Sierra 3500HD AT4 is well-equipped. Features such as HD Surround Vision, rear cross-traffic alert, trailer side blind zone alert, and ultrasonic front and rear park assist help improve visibility and awareness on the road. The safety alert seat provides tactile feedback to notify the driver of potential hazards, while hill descent control ensures controlled performance on steep terrain.

For those who rely on their truck for towing, this model includes the gooseneck/5th wheel prep package, trailer camera provisions, and the bed view camera with two trailer camera provisions, making it easier to maneuver heavy loads. The 2-speed active transfer case enhances traction in challenging conditions, and the X31 Off-Road Package ensures improved off-road capability with specialized suspension tuning.

The AT4 Preferred Package adds further convenience with features such as keyless open and start, deep-tinted glass, and remote vehicle start. A spray-on pickup bedliner with the GMC logo protects the truck bed, while LED cargo area lighting ensures visibility in low-light conditions.

With all these advanced features, the 2025 GMC Sierra 3500HD AT4 is a well-rounded heavy-duty truck that delivers performance, comfort, and technology. Additionally, with the Walt Massey 3 Day Money Back Guarantee, you have peace of mind in your purchase. If for any reason you decide the vehicle isnt the right fit, you can return it within three business days, provided it is in like-new condition and has been driven less than 300 miles. If it exceeds that limit, a fee of $1.00 per additional mile will apply.

Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 03/03/2025