Meet the 2026 GMC Sierra 2500HD AT4X, a heavy-duty pickup engineered to handle demanding work and serious adventures with confidence and capability. - 6.6L V8 Duramax Turbodiesel engine with 470 hp and 975 lb-ft of torque - 10-Speed Automatic transmission with 4WD and 2-Speed Active Transfer Case - Off-Road Suspension with Hill Descent Control for challenging terrain - Premium audio system with 12 Bose speakers and SiriusXM with 360L trial subscription - 15-inch Multicolor Head-Up Display with Heads-Up capability - HD Surround Vision and Bed View Camera with trailer camera provisions - Heated and ventilated leather front seats with 16-way power adjusters and lumbar support - Heated rear seats and power moonroof - Automatic Emergency Braking, Lane Departure Warning, and Rear Cross Traffic Alert - Remote Vehicle Starter System and Keyless Open and Start - Apple CarPlay and Android Auto compatibility - Wireless phone projection and wireless charging - Spray-on pickup bedliner with GMC logo and bed-mounted 120-volt power outlet - Gooseneck/5th wheel prep package with trailer tire pressure monitors - 3 years of OnStar One and 3 years of SiriusXM included This Sierra 2500HD AT4X combines serious capability with refined comfort. The Duramax diesel engine delivers the power you need, while the off-road suspension and hill descent control keep you in command on any surface. Inside, full-grain leather seats with heating and ventilation, combined with the Bose premium audio system, create a commanding driving environment. Advanced technology features like the surround vision camera system and trailer guidance with integrated app make operations straightforward, whether you're towing, working, or exploring. The AT4X package delivers rugged styling with gloss black door handles, header grille, and smoked amber roof marker lamps. Machined aluminum wheels with high-gloss black accents and the spray-on bedliner with GMC logo reinforce its purposeful design. Deep-tinted glass and rain-sensing wipers enhance both appearance and function. Safety and driver assistance features are comprehensive. Automatic emergency braking, lane departure warning, and rear cross traffic alert work together to support your awareness. The safety alert seat, electronic stability control, and ABS brakes provide additional confidence. Hill descent control makes steep descents manageable, while the ultrasonic front and rear park assist simplifies maneuvering in tight spaces. This truck is ready for whatever comes next. Whether you need to tackle professional jobs or explore remote destinations, the AT4X delivers the engineering and features that make this work truck feel engineered just for you. 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 760-653-0332Read full dealer descriptionHide dealer description
Meet the 2026 GMC Sierra 2500HD AT4X, a heavy-duty pickup engineered to handle demanding work and serious adventures with confidence and capability. - 6.6L V8 Duramax Turbodiesel engine with 470 hp and 975 lb-ft of torque - 10-Speed Automatic transmission with 4WD and 2-Speed Active Transfer Case - Off-Road Suspension with Hill Descent Control for challenging terrain - Premium audio system with 12 Bose speakers and SiriusXM with 360L trial subscription - 15-inch Multicolor Head-Up Display with Heads-Up capability - HD Surround Vision and Bed View Camera with trailer camera provisions - Heated and ventilated leather front seats with 16-way power adjusters and lumbar support - Heated rear seats and power moonroof - Automatic Emergency Braking, Lane Departure Warning, and Rear Cross Traffic Alert - Remote Vehicle Starter System and Keyless Open and Start - Apple CarPlay and Android Auto compatibility - Wireless phone projection and wireless charging - Spray-on pickup bedliner with GMC logo and bed-mounted 120-volt power outlet - Gooseneck/5th wheel prep package with trailer tire pressure monitors - 3 years of OnStar One and 3 years of SiriusXM included This Sierra 2500HD AT4X combines serious capability with refined comfort. The Duramax diesel engine delivers the power you need, while the off-road suspension and hill descent control keep you in command on any surface. Inside, full-grain leather seats with heating and ventilation, combined with the Bose premium audio system, create a commanding driving environment. Advanced technology features like the surround vision camera system and trailer guidance with integrated app make operations straightforward, whether you're towing, working, or exploring. The AT4X package delivers rugged styling with gloss black door handles, header grille, and smoked amber roof marker lamps. Machined aluminum wheels with high-gloss black accents and the spray-on bedliner with GMC logo reinforce its purposeful design. Deep-tinted glass and rain-sensing wipers enhance both appearance and function. Safety and driver assistance features are comprehensive. Automatic emergency braking, lane departure warning, and rear cross traffic alert work together to support your awareness. The safety alert seat, electronic stability control, and ABS brakes provide additional confidence. Hill descent control makes steep descents manageable, while the ultrasonic front and rear park assist simplifies maneuvering in tight spaces. This truck is ready for whatever comes next. Whether you need to tackle professional jobs or explore remote destinations, the AT4X delivers the engineering and features that make this work truck feel engineered just for you. 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
Meet the 2026 GMC Sierra 2500HD AT4X, a heavy-duty pickup engineered to handle demanding work and serious adventures with confidence and capability. - 6.6L V8 Duramax Turbodiesel engine with 470 hp and 975 lb-ft of torque - 10-Speed Automatic transmission with 4WD and 2-Speed Active Transfer Case - Off-Road Suspension with Hill Descent Control for challenging terrain - Premium audio system with 12 Bose speakers and SiriusXM with 360L trial subscription - 15-inch Multicolor Head-Up Display with Heads-Up capability - HD Surround Vision and Bed View Camera with trailer camera provisions - Heated and ventilated leather front seats with 16-way power adjusters and lumbar support - Heated rear seats and power moonroof - Automatic Emergency Braking, Lane Departure Warning, and Rear Cross Traffic Alert - Remote Vehicle Starter System and Keyless Open and Start - Apple CarPlay and Android Auto compatibility - Wireless phone projection and wireless charging - Spray-on pickup bedliner with GMC logo and bed-mounted 120-volt power outlet - Gooseneck/5th wheel prep package with trailer tire pressure monitors - 3 years of OnStar One and 3 years of SiriusXM included This Sierra 2500HD AT4X combines serious capability with refined comfort. The Duramax diesel engine delivers the power you need, while the off-road suspension and hill descent control keep you in command on any surface. Inside, full-grain leather seats with heating and ventilation, combined with the Bose premium audio system, create a commanding driving environment. Advanced technology features like the surround vision camera system and trailer guidance with integrated app make operations straightforward, whether you're towing, working, or exploring. The AT4X package delivers rugged styling with gloss black door handles, header grille, and smoked amber roof marker lamps. Machined aluminum wheels with high-gloss black accents and the spray-on bedliner with GMC logo reinforce its purposeful design. Deep-tinted glass and rain-sensing wipers enhance both appearance and function. Safety and driver assistance features are comprehensive. Automatic emergency braking, lane departure warning, and rear cross traffic alert work together to support your awareness. The safety alert seat, electronic stability control, and ABS brakes provide additional confidence. Hill descent control makes steep descents manageable, while the ultrasonic front and rear park assist simplifies maneuvering in tight spaces. This truck is ready for whatever comes next. Whether you need to tackle professional jobs or explore remote destinations, the AT4X delivers the engineering and features that make this work truck feel engineered just for you. 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
Fair Price vs nationwide market
Fewer than five local matches were available within 150 miles, so the deal score uses 46 approved listings with the same year, make, model, and trim nationwide.
Fair Price
$2.6K below nationwide median
This unit
$96,369
Local median
$96,369
1 within 150 miles
Nationwide median
$98,978
46 comparable units
Price history
Down $2K
Dealer price movement5 recorded prices
This unitNationwide middle 50%
Estimate a Payment
Adjust the assumptions without submitting personal information.
Estimated payment
$86,869 financed
Estimate only. Excludes taxes, title, registration, dealer fees, add-ons, insurance, and lender requirements. RidesMarket is not a lender.
Truck Specifications
Engine
6.6L Duramax Turbo-Diesel V8 engine
Transmission
Automatic
Drivetrain
Four Wheel Drive
Fuel
Diesel Fuel
Exterior
Tan
Interior
Obsidian Rush, Full Grain Leather seat trim
Doors
4
Body Style
Truck
Features & Equipment
Equipment is supplied by the dealer. Confirm installed options on the dealer listing or window sticker.
Safety and driver assistance
Adaptive Cruise Control
Backup Camera
Lane Departure Warning
Parking Sensors / Assist
Side-Impact Air Bags
Comfort and convenience
Automatic Climate Control
Leather Seats
Power Seats
Remote Start
Sunroof / Moonroof
Technology and audio
Android Auto
Compare Other Years & Trims
Live GMC Sierra 2500 HD units from approved dealer inventory.
The chart range uses current approved inventory nationwide. Local pricing may differ. Taxes, fees, incentives, vehicle history, and equipment can affect actual value.
