2026 GMC Sierra 1500 AT4X

From the dealer

This 2026 GMC Sierra 1500 AT4X is built to handle whatever you demand, combining premium capability with refined luxury for the driver who refuses to compromise. - EcoTec3 6.2L V8 engine with 420 hp and 460 lb-ft of torque - 10-speed automatic transmission with 4WD - Premium GMC Infotainment System with Apple CarPlay and Android Auto - Bose Premium Series 12-speaker audio system - 15-inch multicolor head-up display - Driver-selectable full-locking differentials (front and rear) - Off-road suspension with hill descent control - Heated and ventilated front seats with 16-way power adjustment - Full grain leather seat trim - Power moonroof - HD surround vision with bed view and hitch view cameras - Wireless charging and Wi-Fi hotspot capable - OnStar services and emergency communication system - Automatic emergency braking with front pedestrian detection The AT4X trim elevates this Sierra with purposeful engineering designed for both pavement and terrain. Its dual active exhaust delivers commanding presence, while the advanced suspension system provides control whether you're navigating city streets or exploring off-road trails. The driver-selectable locking differentials give you command of traction when conditions demand it, and hill descent control manages steep descents with precision. Inside, the cabin welcomes you with full grain leather, 16-way power seats with heating and ventilation, and a heated steering wheel. The 15-inch head-up display keeps essential information in your sight line, while the premium Bose audio system transforms every drive into an engaging experience. Apple CarPlay and Android Auto seamlessly integrate your smartphone, and wireless charging keeps your devices powered throughout the day. This truck is equipped to tow with confidence, featuring an integrated trailer brake controller, trailer tire pressure monitoring, and hitch guidance technology. The surround vision system provides multiple camera angles to help you see what matters most when backing into tight spots or navigating complex terrain. Automatic emergency braking and lane keep assist work quietly in the background to help you stay safe. The Sierra 1500 AT4X delivers the fuel efficiency you'd expect from this class, with an EcoTec3 engine that balances power and economy. Every system is engineered for reliability and performance, whether you're hauling, towing, or simply enjoying the road. Premier Cadillac Buick GMC of Carlsbad is proud to serve drivers throughout Carlsbad, Oceanside, Encinitas, San Marcos, Vista, Escondido, Rancho Santa Fe, Del Mar, Solana Beach, Cardiff-by-the-Sea, La Costa, Bressi Ranch, Rancho Bernardo, Poway, Fallbrook, Bonsall, Valley Center, Camp Pendleton, Carmel Valley, and all of North County San Diego. Whether you're shopping for a new Cadillac Escalade, LYRIQ, Optiq, XT5, XT6, Buick Envista, Encore GX, Enclave, GMC Sierra 1500, Sierra HD, Yukon, Yukon XL, Hummer EV, Canyon, Acadia, Terrain, or a quality pre-owned vehicle, our experienced team is committed to delivering a transparent, pressure-free buying experience. Sales 760-653-0332