The New 2025 GMC Sierra 1500 AT4 4WD Crew Cab Pickup is built for adventure, combining premium off-road capability with refined luxury. It features a Turbocharged Diesel I6 3.0L engine with a 10-speed automatic transmission, delivering impressive towing power and smooth acceleration. The AT4 trim includes an advanced off-road suspension with Rancho monotube shocks, a factory-installed 2-inch lift, and skid plates for superior performance on rugged terrain. The exterior boasts a bold, aggressive stance with a distinctive AT4 grille, red recovery hooks, LED lighting, and 18-inch black wheels wrapped in all-terrain tires. The MultiPro Tailgate offers versatile cargo management, while the bed is lined with a factory-installed spray-in liner for added durability. Inside, it is packed with comfort and technology. Premium perforated leather-appointed seats with AT4-exclusive Kalahari accents, heated and ventilated front seats, a heated steering wheel, and a spacious crew cab ensure a luxurious driving experience. The 13.4-inch diagonal GMC infotainment system supports Apple CarPlay, Android Auto, and built-in Google integration. A Bose premium audio system provides exceptional sound quality, while the available 15-inch head-up display enhances driver awareness. Safety features include GMC’s Pro Safety suite with forward collision alert, lane-keeping assist, automatic emergency braking, and an HD surround vision camera. The truck also offers an available Super Cruise system for hands-free driving on compatible highways. With a maximum towing capacity of up to 9,000 lbs and a payload capacity of over 2,000 lbs, the 2025 GMC Sierra 1500 AT4 is designed for those who need serious power and capability while enjoying premium comfort and technology. Whether tackling off-road trails or cruising the highway, this pickup delivers an unparalleled driving experience.