Used 2025 Gmc Sierra 1500 AT4

This Summit White 2025 GMC Sierra 1500 AT4 4WD blends rugged off-road capability with refined GMC technology and efficiency. Powered by the 3.0L Duramax Turbo-Diesel inline-6 and paired with a 10-speed automatic transmission, this AT4 delivers strong torque, impressive fuel economy, and confident four-wheel drive performance. The interior is finished in Jet Black leather with Kalahari accents, offering a premium feel while staying trail-ready. Comfort features include heated and ventilated front seats, heated second-row outboard seats, driver memory, and a power sunroof, making this Sierra equally suited for workdays and long road trips. Technology is front and center with a 15 multicolor head-up display, HD Surround Vision, Rear Camera Mirror, navigation, Apple CarPlay & Android Auto, wireless charging, and the Premium Bose 7-speaker sound system. Trailering is made easy with Integrated Trailer Brake Controller, Trailer Camera Provisions, Hitch Guidance with Hitch View, and the In-Vehicle Trailering System App. AT4-exclusive equipment like red recovery hooks, hill descent control, auto-locking rear differential, spray-on GMC bedliner, and off-road-ready suspension tuning ensure this truck is ready for demanding terrain. Added safety and convenience come from Ultrasonic Front & Rear Park Assist, Rear Cross Traffic Braking, and Rear Pedestrian Detection.