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The 2026 GMC Sierra 2500 HD AT4 Crew Cab 4WD is an elite, heavy-duty powerhouse that perfectly masterminds premium cabin luxury with extreme off-road capability. Strikingly finished in an eye-catching Volcanic Red Tintcoat exterior and paired with an exclusive Jet Black interior featuring Kalahari accents, this truck commands an undeniable, custom road presence. Under the hood lies the legendary Duramax 6.6L V8 Turbo-Diesel engine paired with a heavy-duty 10-speed automatic transmission, delivering massive towing torque and unrelenting power through a robust 3.42 rear axle ratio.
AT4 Premium Plus Package: Packs the cabin with top-tier convenience and technology, adding a power sunroof, Rear Camera Mirror, multicolor 15-inch diagonal Head-Up Display (HUD), power sliding rear window, Universal Home Remote, LED roof marker lamps, and sleek power-retractable assist steps with integrated LED lighting.
Premium Mud & Trail Performance: Factory-equipped to dominate rough terrain with premium LT275/65R-20 BFGoodrich Off-Road T/A KO3 tires and rugged off-road suspension architecture.
Black Badging Package: Sharpens the truck's premium aesthetic with sleek dealer-installed black GMC emblems and dark-themed exterior badging that pops beautifully against the Volcanic Red finish.
Gooseneck/5th Wheel Prep Package: Factory-reinforced and ready out of the gate to haul maximum-capacity industrial trailers or high-end camping rigs.
Pro-Grade Box Utility: Enhanced for total security and function with a dealer-installed tri-fold hard tonneau cover, an integrated tailgate assist handle, and dealer-installed molded splash guards to shield the paint from road debris.
All-Weather Interior Armor: Fully prepared for mud, snow, and site work with premium factory floor liners featuring removable carpet inserts.
Sierra HD Pro Safety Automatic Emergency Braking Buckle to Drive Prevents vehicle from being shifted out of park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use. Following Distance Indicator Forward Collision Alert Front Pedestrian Braking IntelliBeam Automatic High Beam on/Off Lane Departure Warning
X31 Off-Road Package Includes twin-tube Rancho shocks.Hill Descent Control Off-Road Suspension Includes twin-tube shocks. Skid Plates Protect the oil pan, front axle and transfer case.
Front Premium Floor Liners with Removable Carpet Insert
Heated 2nd Row Outboard Seats
LED Cargo Area Lighting Located in cargo bed activated with switch on centre switch bank or key fob.
Bose Premium 7-Speaker Sound System Includes Richbass woofer.
Radio: AM/FM Stereo with Premium GMC Infotainment System Includes 13.4" diagonal multicolour touch-screen, Google built in apps such as navigation and voice assistance, multi-touch display, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones.
Rear Wheelhouse Liners
Heated Driver and Front Outboard Passenger Seats
Steering Wheel Audio Controls
120-Volt Instrument Panel Power Outlet 400 watts shared with (KC9) bed mounted power outlet.
Gloss Black Header Grille and Grille Insert Bars Includes black chrome accents.
2 USB Ports Located on 1st row console.
Front Rain-Sensing Wipers
Safety Alert Seat
Ventilated Driver and Front Passenger Seats
Wireless Phone Projection For Apple CarPlay and Android Auto.
Bed View Camera with Two Trailer Camera Provisions Includes camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen.
Deep-Tinted Glass
Unauthorized Entry Theft-Deterrent System
2-Speed Active Transfer Case Electronic Autotrac with push button control.
Manual Tilt-Wheel/Telescoping Steering Column
Ultrasonic Front and Rear Park Assist
Rear Cross Traffic Alert
Keyless Open and Start Includes remote keyless entry.
Push Button Start
Power Front Passenger Windows with Express Up/Down
120-Volt Bed Mounted Power Outlet 400 watts shared with (KI4) instrument panel mounted power outlet.
2 Charge-Only Rear USB Ports
OnStar Services Capable See onstar.ca for details and limitations. Services vary by model. Service plan required.
Trailer Side Blind Zone Alert
Front Bucket Seats 10-Way Power Driver Seat Adjuster with Lumbar 10-Way Power Passenger Seat Adjuster with Lumbar Driver Memory Recalls driver presets for power driver seat and outside mirrors.
ProGrade Trailering System Hitch Guidance with Hitch View Includes image adjustment and pan/zoom/tilt. in-Vehicle Trailering System App Includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and trailer tire pressure monitor system module. Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitoring sensors are installed.
Floor-Mounted Centre Console Includes cup holders, cell phone storage, power cord management and hanging file folder capability.
Wheels: 20" High Gloss Black 8 Spokes Aluminum (50.8 cm).
SiriusXM with 360L Trial Subscription SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. Important: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental (FDR) use. Certain features and/or content may not be available unless an active data connection is enabled in the vehicle. Content varies by SiriusXM subscription plan. Features and display may vary by vehicle. A
* Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2026GMCSierra 2500HD AT4 4x4 Crew Cab 6.75 ft. box may not match the exact vehicle displayed. Please confirm with a sales representative the accuracy of this information.
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Stackable vs Non-Stackable: Stackable incentives are discounts that can be combined with cash, finance and/or lease rates should you qualify for them. Please contact a sales representative for more information.