The 2026 GMC Sierra 1500 AT4 crew cab combines robust capability with refined comfort in a commanding package. Finished in Summit White, this four-wheel drive model features a spacious 147-inch crew cab and a Jet Black interior accented with Kalahari perforated leather front seats, enhancing both style and durability. Powered by a 6.2L Ecotec3 V8 engine delivering 420 horsepower, it offers strong performance supported by gasoline direct injection, variable valve control, and cylinder deactivation for improved efficiency. The Sierra AT4 is equipped with advanced technology including wireless Apple CarPlay and Android Auto, alongside a Wi-Fi hotspot capability to keep you connected on the go. Safety is prioritized through multiple driver assistance features such as Forward Collision Alert, Front Pedestrian Braking, Rear Cross Traffic Braking, Lane Keep Assist with Lane Departure Warning, and Automatic Emergency Braking. Comfort is elevated with ventilated front driver and passenger seats, heated front outboard seats, and heated second-row outboard seating, ensuring a pleasant ride for all passengers across varying conditions. This Sierra 1500 AT4 offers a well-rounded blend of power, technology, and comfort designed for drivers who demand more from their full-size pickup.
