2026 GMC Sierra 2500HD AT4 Crew Cab 4WD

Experience the pinnacle of power and capability with the 2026 GMC Sierra 2500HD AT4. This exceptional heavy-duty pickup is engineered to conquer any terrain, whether you're tackling tough job sites or embarking on thrilling off-road adventures. - 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (Includes (K05) Engine Block Heater) (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) - AT4 Preferred Package - Gooseneck/5th Wheel Prep Package - Technology Package - X31 Off-Road Package Beneath the bold, rugged exterior lies a meticulously engineered powertrain that delivers unparalleled performance. The Duramax 6.6L V8 Turbodiesel engine, paired with a 10-speed automatic transmission, unleashes an astonishing 470 horsepower and an astounding 975 lb-ft of torque, ensuring you can tackle even the most demanding tasks with ease. The Sierra 2500HD AT4 is more than just a powerful workhorse; it's a true off-road champion. The X31 Off-Road Package, complete with an off-road suspension, traction control, and hill descent control, allows you to conquer the toughest terrain with confidence. The Gooseneck/5th Wheel Prep Package further enhances the Sierra's versatility, making it the perfect companion for your towing and hauling needs. Comfort and convenience are equally impressive in the Sierra 2500HD AT4. The Bose Premium 7-Speaker Sound System, dual-zone automatic climate control, and heated and ventilated front seats ensure a premium driving experience. The Technology Package, with features like the Head-Up Display and Wireless Charging, keeps you connected and informed on the road. Safety is also a top priority, with the Sierra 2500HD AT4 offering a suite of advanced driver-assistance technologies. From Automatic Emergency Braking to Lane Departure Warning, you can navigate with confidence, knowing your vehicle has your back. Whether you're tackling tough jobs or seeking adventure, the 2026 GMC Sierra 2500HD AT4 is the ultimate heavy-duty pickup that delivers uncompromising power, capability, and refinement. Experience the difference for yourself and schedule a test drive today. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/01/2026

Additional Information

AT4 Preferred Package,Gooseneck/5th Wheel Prep Package,Technology Package,X31 Off-Road Package,7 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium 7-Speaker Sound System,Premium audio system: Premium GMC Infotainment System,Radio: AM/FM Stereo with Premium GMC Infotainment System,SiriusXM with 360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Memory seat,Power driver seat,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Emergency communication system: OnStar,Front anti-roll bar,Front wheel independent suspension,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Sunroof,Pickup Box,Brake assist,Electronic Stability Control,Lane Departure Warning System,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,2-Speed Active Transfer Case,Heavy-Duty 80 Amp Battery,Auto-dimming door mirrors,Black Sport Step,Bumpers: body-color,Gloss Black Header Grille and Grille Insert Bars,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Spray-on Pickup Bedliner with GMC Logo,Turn signal indicator mirrors,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports Inside Center Console,2 USB Ports,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera with Two Trailer Camera Provisions,Buckle to Drive,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Pedestrian Braking,Front Premium Floor Liners with Removable Carpet Insert,Front reading lights,HD Surround Vision,Heated steering wheel,Illuminated entry,Inside Rearview Auo-Dimming Rear Camera Mirror,Multicolor 15" Diagonal Head-Up Display,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,Rear Premium Floor Liners with Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Cam Provisions and Trailer Viewing Software,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front and Rear Park Assist,Voltmeter,Wireless Charging,Wireless Phone Projection,10-Way Power Driver Seat Adjuster with Lumbar,10-Way Power Passenger Seat Adjuster with Lumbar,Front Bucket Seats,Front Center Armrest,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seats,Heated front seats,Heated rear seats,Perforated Leather-Appointed Front Seat Trim,Power passenger seat,Safety Alert Seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance with Hitch View,in-Vehicle Trailering System App,Alloy wheels,Wheels: 20" High Gloss Black 8 Spokes Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Front Passenger Windows with Express Up/Down,Power Sliding Rear Window with Defogger,Rain sensing wipers,Variably intermittent wipers