2026 GMC Sierra 2500 HD AT4X

From the dealer

This 2026 GMC Sierra 2500HD AT4X combines robust capability with refined comfort, offering a truck engineered for those who demand both performance and practicality. - 6.6L V8 Duramax Turbodiesel engine with 470 hp and 975 lb-ft of torque - 10-Speed Automatic transmission with 4WD - Premium Bose audio system with 12 speakers and SiriusXM - Multicolor 15 Head-Up Display - Spray-on Pickup Bedliner with GMC Logo - Full grain leather seat trim with 16-way power adjusters and lumbar support - Heated and ventilated front seats with heated rear seats - Power moonroof and power sliding rear window - HD Surround Vision and Bed View Camera with trailer provisions - Wireless smartphone projection and charging - Advanced safety suite including automatic emergency braking and lane departure warning - Hill Descent Control with 2-speed active transfer case - Gooseneck/5th wheel prep package - 18 machined aluminum wheels with high gloss black accents The Sierra 2500HD AT4X is built on an off-road-capable platform with an off-road suspension and hill descent control, making it prepared for demanding terrain while delivering the comfort you need for daily driving. The Duramax diesel engine provides exceptional torque for towing and hauling, paired with the efficiency that diesel engines are known for. Inside, you'll find a thoughtfully appointed cabin featuring full grain leather, heated and ventilated seating, and a 16-way power driver's seat with lumbar support. The multicolor head-up display projects critical information directly into your line of sight, while the premium infotainment system integrates seamlessly with Apple CarPlay and Android Auto. Wireless smartphone projection keeps you connected without distractions. Safety technology is comprehensive, including an HD surround vision system, automatic emergency braking, lane departure warning, and rear cross traffic alert. The bed view camera with trailer camera provisions simplifies backing up and towing operations. OnStar services provide emergency assistance and vehicle connectivity for added peace of mind. This truck arrives with premium features like a power sunroof, spray-on bedliner, and an upfitter switch kit for customization. The gooseneck/5th wheel prep package is ready for heavy-duty trailering demands. Every detail reflects GMC's commitment to capability and quality. 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