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 engineered for off-road strength, advanced towing capabilities, and modern in-cabin technology. This 4WD crew cab model is equipped with a 3.0L inline-six Duramax turbo-diesel engine paired with a 10-speed automatic transmission, delivering a blend of low-end torque and highway efficiency. Finished in Volcanic Red Tintcoat, it features Jet Black leather seats accented with Kalahari trim, emphasizing its rugged yet premium identity.

The AT4 trim focuses heavily on capability enhancements and off-road readiness. Standard equipment includes an auto-locking rear differential, Hill Descent Control, a heavy-duty air filter, red recovery hooks, and a factory spray-on bedliner with a GMC logo. The truck also includes LED cargo lighting and off-road high clearance steps. Trailer support is extensive thanks to the integrated trailer brake controller, Hitch View and Hitch Guidance, Trailer Camera Provisions, Trailer Side Blind Zone Alert, and GMCs In-Vehicle Trailering App.

Occupants benefit from a high degree of comfort and tech integration. The AT4 Premium and Preferred Packages add amenities like ventilated front seats, heated front and second-row outboard seats, a premium Bose 7-speaker audio system, and a multicolor 15-inch diagonal head-up display. The HD Surround Vision camera, rear camera mirror, ultrasonic front and rear park assist, and Rear Cross Traffic Braking aid with low-speed maneuvering and trailer navigation. Rear Pedestrian Detection and Rear Wheelhouse Liners are also included for added protection and usability.

Inside, the cabin is designed for both work and relaxation. The center console layout is functional and incorporates charge ports including two USBs, two Type-C ports in the rear, and additional charge/data ports inside the console. The infotainment system includes navigation and SiriusXM with 360L, while the truck also supports OnStar and Wi-Fi hotspot capability. Push button start, remote start, wireless device charging, a universal home remote, and a power sliding rear window with defogger add everyday convenience.

Exterior elements include a black chrome grille, deep-tinted glass, and perimeter lighting. Rain-sensing wipers and a 220-amp alternator are added for durability and dependability in varied environments. Floor liners with removable carpet inserts offer versatility for interior upkeep in rugged conditions.

This Sierra 1500 AT4 also qualifies under the Walt Massey 3 Day Money Back Guarantee. Customers can return the vehicle to the dealership within three business days of purchase before 5 p.m. CST, provided its in like-new condition and driven less than 300 miles. If the 300-mile limit is exceeded, a charge of \$1.00 per mile applies. This policy gives added peace of mind during your purchase experience.

The 2025 GMC Sierra 1500 AT4 blends off-road toughness with luxury-level features, making it a well-rounded choice for those who need versatility without compromise.


Price includes: $2500 - Buick and GMC Purchase Loyalty Program. Exp. 06/02/2025 $2750 - Buick & GMC Consumer Cash Program. Exp. 06/02/2025