This 2026 GMC Sierra 1500 AT4 Crew Cab 4WD combines rugged capability with refined comfort, featuring a Summit White exterior paired with a Jet Black and Kalahari accent perforated leather interior. Powered by a Duramax 3.0L I6 diesel engine delivering 305 horsepower, it offers efficient performance with advanced technology and off-road readiness. The AT4 trim enhances your driving experience through premium comfort with ventilated driver and front passenger seats, as well as heated front seating for added warmth in colder conditions. Inside, stay connected effortlessly with wireless Apple CarPlay and Android Auto, complemented by a Wi-Fi hotspot capability that keeps you online wherever the road takes you. Safety is prioritized with an extensive 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. These technologies, collectively part of the GMC Pro Safety package, provide increased confidence during every drive. Designed to meet the needs of both daily commuting and adventurous excursions, this Sierra 1500 AT4 blends sophisticated amenities with proven diesel power and comprehensive safety technology for a versatile and reliable pickup.
