New 2025 GMC Sierra 1500 AT4

Description for 2025 GMC Sierra 1500 AT4 Truck

The 2025 GMC Sierra 1500 AT4 is a full-size pickup designed for those seeking a blend of rugged off-road capability and refined interior comfort. As part of the AT4 lineup, this model emphasizes performance both on and off the pavement, starting with a 3.0L I6 Duramax Turbo-Diesel engine paired with a 10-speed automatic transmission. This powertrain offers an impressive combination of torque and efficiency, ideal for hauling, towing, and navigating challenging terrain.

The Sierra AT4s 4WD system is supported by a 220-amp alternator, Hill Descent Control, and an Auto-Locking Rear Differential. The Trailering Package equips the truck with essential towing technologies, including an Integrated Trailer Brake Controller, Hitch Guidance with Hitch View, and the In-Vehicle Trailering App. A Trailer Camera Provisions system, Rear Cross Traffic Braking, and Trailer Side Blind Zone Alert further enhance towing confidence. Red recovery hooks are included, underscoring the AT4s off-road readiness.

Inside the Sierra 1500 AT4, the cabin blends premium materials with advanced technology. The interior features Jet Black leather with Kalahari accents, providing a sophisticated yet rugged atmosphere. Comfort features include heated and ventilated front seats, heated outboard rear seats, a power rake and telescoping steering column, and a power sliding rear window. The cabin is lined with color-keyed carpeting, front and rear premium floor liners with removable carpet inserts, and deep-tinted glass for privacy. A Premium Bose 7-speaker audio system delivers rich sound quality, while the Multicolor 15" Diagonal Head-Up Display and Rear Camera Mirror provide advanced visibility and driver information.

Technology is a standout element of the AT4, with HD Surround Vision, a Bed View Camera, a Navigation System, and a Rear Pedestrian Detection system among its highlights. Connectivity is provided through SiriusXM with 360L, Wi-Fi hotspot capability, and wireless charging. USB charging options are abundant, including ports in the center console and rear seats, along with 120-volt outlets in both the cabin and truck bed. The trucks Technology Package further enhances driver assistance features, such as the Ultrasonic Front and Rear Park Assist system.

Exterior styling on the Sierra 1500 AT4 reflects its adventurous purpose, with a black chrome grille insert, Off-Road High Clearance Steps, LED cargo area lighting, perimeter lighting, and a spray-on bedliner with the GMC logo. Rear wheelhouse liners and color-keyed carpeting complete the exterior package, while deep-tinted glass and black accents create a bold, functional look.

The 2025 GMC Sierra 1500 AT4 is covered by the Walt Massey 3 Day Money Back Guarantee. This guarantee allows you to exchange the vehicle within three business days of purchase, provided it is returned to the dealership in "like new" condition with fewer than 300 miles. If the mileage exceeds 300 miles, a \$1.00 per mile fee applies. This program is designed to give you added confidence and flexibility with your purchase decision.

Not all rebates may apply. Some rebates are not compatible with other rebates. Offers are subject to change. See dealer for details. Price includes: $2500 - Buick and GMC Purchase Loyalty Program. Exp. 06/02/2025 $2750 - Buick & GMC Consumer Cash Program. Exp. 06/02/2025 $500 - GM Military Cash Allowance Program. Exp. 01/02/2026