This 2026 GMC Sierra 1500 AT4 Crew Cab with a 147-inch wheelbase offers a balanced blend of capability and refined comfort. Featuring a Sterling Metallic exterior paired with a Jet Black perforated leather interior accented by Kalahari trim, this truck delivers a commanding presence with upscale touches. Powering this Sierra is the Duramax 3.0L I-6 diesel engine, producing 305 horsepower through direct injection, variable valve control, and an intercooled turbocharger, providing strong performance and efficiency. Inside, the AT4 trim prioritizes driver and passenger comfort with ventilated front seats alongside heated seating for the driver and front passenger's outboard positions. The cabin is equipped with advanced connectivity including wireless Apple CarPlay and Android Auto, plus Wi-Fi hotspot capability to keep you connected on the go. Safety is comprehensive with GMC Pro Safety features such as Forward Collision Alert, Front Pedestrian Braking, Rear Cross Traffic Braking, Lane Keep Assist with Lane Departure Warning, and Automatic Emergency Braking, all designed to enhance driver awareness and protection. This Sierra 1500 AT4 also offers four-wheel drive capability, making it ready for varied terrains and driving conditions while maintaining refinement and advanced technology throughout.
