2026 GMC Sierra 2500HD AT4 Crew Cab 4WD

Elevate your driving experience with the 2026 GMC Sierra 2500HD AT4, a powerhouse of capability and sophistication. This exceptional heavy-duty pickup is engineered to conquer any terrain, while offering a level of refinement and technology that will redefine your expectations. Boasting a commanding presence, the Sierra 2500HD AT4 is equipped with a robust Duramax 6.6L V8 Turbodiesel engine, delivering an impressive 470 horsepower and a staggering 975 lb-ft of torque. Paired with a smooth-shifting 10-speed automatic transmission and a capable 4WD system, this truck is ready to tackle the toughest jobs and most challenging 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 - AT4 Premium Plus Package - Gooseneck/5th Wheel Prep Package - Hitch Package - Preferred Equipment Group 4SB - Technology Package - X31 Off-Road Package The Sierra 2500HD AT4's impressive capabilities are complemented by a host of premium features that elevate your driving experience. Indulge in the comfort of heated and ventilated front seats, a heated steering wheel, and a Bose Premium 7-Speaker Sound System. Stay connected with the latest technology, including wireless charging, Apple CarPlay/Android Auto, and a 15-inch Diagonal Head-Up Display. For added confidence on the road, the Sierra 2500HD AT4 is equipped with a suite of advanced safety features, including Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert. The HD Surround Vision system and Trailer Cam Provisions further enhance your awareness and control, whether you're navigating tight spaces or towing heavy loads. Rugged yet refined, the 2026 GMC Sierra 2500HD AT4 is the ultimate expression of power, capability, and sophistication. Experience the difference for yourself and schedule a test drive today. We're confident this exceptional truck will exceed your expectations and redefine your standards of what a heavy-duty pickup can be. All advertised prices EXCLUDE optional equipment selected by the purchaser, dealer documentation fee of $797 per TCA 55-17-114, and state and local taxes, tags, registration and title fees. Advertised prices INCLUDE factory-installed options installed by the manufacturer and dealer-installed accessories already installed on the vehicle by the dealer at time of advertising. For new vehicles, advertised price also includes MSRP and factory transportation costs. All prices include any rebates and incentives for which all consumers qualify. If no advertised price is provided, contact dealer for details.$1000 - Buick & GMC Consumer Cash Program. Exp. 04/30/2026 - Not available with special financing, lease and some other offers. See dealer for details.

Additional Information

AT4 Preferred Package,AT4 Premium Plus Package,Gooseneck/5th Wheel Prep Package,Hitch Package,Preferred Equipment Group 4SB,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,220-Amp Alternator,Engine Block Heater,Exhaust Brake,Heavy-Duty 80 Amp Battery,Auto-dimming door mirrors,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,Off-Road High Clearance Step,Power door mirrors,Power-Retractable Black Assist Steps,Rear step bumper,Rear Wheelhouse Liners,Spray-on Pickup Bedliner with GMC Logo,Turn signal indicator mirrors,Winter Grille Cover,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

If provided, Advertised Price EXCLUDES all optional dealer offered items, accessories, or product addendums optionally selected by the purchaser, dealer document processing fee of $797 per TCA 55-17-114, and state and local taxes, tags, registration and title fees. Advertised prices INCLUDE factory-installed options installed by the manufacturer and non-optional dealer-installed accessories already installed on the vehicle by the dealer at time of advertising. For new vehicles, advertised price also includes MSRP and factory transportation costs.  By submitting your information, you consent to receive all forms of communication including but not limited to phone, text, email, mail, etc. Message and data rates may apply. Consent to these terms is not a condition of purchase. You may opt out at any time. MPG based on model year EPA mileage ratings. Use for comparison purposes only. Discounts and incentives may be available to all of the general public, or may have certain conditions, such as being financed through a required specific lender, call Dealer for details. Certain used vehicles may be subject to important Wholesale to the Public disclosures provided to you prior to purchase; please consider carefully before your purchase decision. The Lifetime Limited Powertrain Warranty is offered on select vehicle makes and models. Not all vehicles qualify. Ask your dealership sales representative for details.