2025 GMC Sierra 3500

The 2025 GMC Sierra 3500HD AT4 is a robust, feature-packed heavy-duty truck designed to meet the needs of drivers looking for both power and advanced technology in their vehicle. This truck is powered by the Duramax 6.6L V8 turbodiesel engine, paired with a 10-speed automatic transmission, providing excellent performance, whether you're towing heavy loads or navigating tough terrain. The 4WD system ensures superior traction and control in a variety of conditions, making it an ideal choice for those who need a truck that can handle off-road adventures and worksite challenges.

Inside, the Sierra 3500HD AT4 is equipped with a premium Jet Black interior, featuring Kalahari accents and leather seating. The cabin is both comfortable and practical, with heated and ventilated front seats, and heated outboard seats in the second row, ensuring comfort for both drivers and passengers. The truck also boasts a multicolor 15 diagonal head-up display, providing essential information at a glance without the need to take your eyes off the road. For added convenience, the vehicle comes with a wireless charging system, wireless phone projection, and multiple USB ports throughout the cabin, keeping you connected and your devices charged.

The Sierra 3500HD AT4 is equipped with a variety of tech features designed to enhance safety and convenience. The HD surround vision system offers a 360-degree view around the vehicle, while the Bed View Camera with provisions for two trailer cameras makes it easier to maneuver and attach trailers. Additional safety features include rear cross-traffic alert, ultrasonic front and rear park assist, and the trailer side blind zone alert, which help improve visibility and prevent accidents while towing.

When it comes to utility, the Sierra 3500HD AT4 is built for heavy-duty tasks. It includes a spray-on pickup bedliner with the GMC logo, a gooseneck/5th wheel prep package, and a 120-volt bed-mounted power outlet for all your worksite needs. The truck also features LED cargo area lighting, LED smoked amber roof marker lamps, and a power sliding rear window with a defogger for added convenience.

For off-road enthusiasts, the truck comes with the X31 Off-Road Package, which adds additional features to enhance its capability on rugged terrains. This package includes skid plates, an off-road suspension package, and other enhancements designed to make the Sierra 3500HD AT4 even more capable on challenging trails.

The 2025 GMC Sierra 3500HD AT4 is a truck that delivers both power and luxury, combining cutting-edge technology with rugged durability. For peace of mind, the vehicle is also covered by the Walt Massey 3 Day Money Back Guarantee. This guarantee allows you to return the vehicle within three business days, provided it is in like new condition, has been driven less than 300 miles, and is returned before 5 p.m. CST. If the vehicle has been driven over 300 miles, a small fee of $1.00 per additional mile