2026 GMC Sierra 1500 AT4 Crew Cab 4WD

This 2026 GMC Sierra 1500 AT4 in Summit White is built for capability and comfort, featuring a powerful EcoTec3 6.2L V8 engine, 10-speed automatic transmission, and 4WD. The off-road suspension, high clearance steps, and trailering package with integrated trailer brake controller make it ready for demanding tasks and adventures. Inside this Sierra 1500 AT4, Jet Black leather seats with Kalahari accents offer a refined look. Both front seats are heated, ventilated, and feature 10-way power adjusters with lumbar support. The heated second-row outboard seats and heated steering wheel add comfort for all. Tech features include a premium Bose 7-speaker sound system, navigation, wireless Apple CarPlay/Android Auto, wireless charging, and a GMC Infotainment Audio System. Multiple USB ports, a 120-volt bed outlet, and power sunroof add convenience. Safety is a priority with HD Surround Vision, forward collision alert, rear cross traffic braking, trailer side blind zone alert, rear pedestrian detection, ultrasonic park assist, and hill descent control. The security system and theft deterrent system provide added peace of mind. The exterior stands out with 20-inch machined aluminum wheels, black badging, spray-on bedliner, LED cargo lighting, perimeter lighting, and deep-tinted glass. The power sliding rear window and off-road steps complete this Sierra's rugged look.