The 2026 GMC Sierra 1500 AT4 Crew Cab combines bold capability with refined comfort. Finished in Onyx Black, this 4WD model features a spacious 147-inch crew cab and a striking Jet Black perforated leather interior accented with Kalahari trim. Powered by a robust 6.2L Ecotec3 V8 engine delivering 420 horsepower, it offers advanced gasoline direct injection and cylinder deactivation for optimized performance and efficiency. Inside, convenience and connectivity are enhanced with wireless Apple CarPlay and Android Auto, along with Wi-Fi hotspot capability. The Sierra AT4 prioritizes safety through a comprehensive suite of driver assistance features, including 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 seats for both driver and passenger, complemented by heated seating for the front and second-row outboard passengers-ensuring a pleasant ride in varying conditions. This model balances rugged utility with premium technology and safety, making it well-suited for both daily driving and demanding tasks.
