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This 2026 GMC Sierra 1500 AT4 Crew Cab 4WD is finished in bold Sterling Metallic with a premium Jet Black/Kalahari interior, combining rugged off-road capability with upscale refinement. Power comes from the formidable 6.2L EcoTec3 V8, paired with a 10-speed automatic transmission and an Active Exhaust System, delivering strong performance with an aggressive sound profile to match the AT4’s confident stance.
Designed for serious capability, the AT4 trim brings factory off-road enhancements including a lifted suspension, skid plates, and an advanced four-wheel-drive system, while the AT4 Premium Package adds key convenience upgrades such as a power sliding rear window, universal home remote, and off-road high-clearance steps. The bed is protected with a spray-on bedliner and finished with a tri-fold hard tonneau cover, making it both functional and secure.
This truck is further equipped with the Technology Package, featuring a 15" multicolor Head-Up Display, Rear Camera Mirror, and Bed View Camera, giving you exceptional visibility both on and off the road. Power-fold vertical trailering mirrors with heated glass and puddle lamps enhance towing confidence, while the rear axle setup and trailering-focused features ensure this Sierra is ready to work when needed.
Inside, the AT4 cabin balances toughness with comfort, offering premium materials, advanced infotainment, and thoughtful storage throughout. Additional highlights include SiriusXM with a 3-year trial, wheel locks, and moulded splash guards, rounding out a well-equipped and highly capable package.
Powerful, aggressive, and loaded with premium technology, this 2026 Sierra 1500 AT4 is built for drivers who want uncompromising performance without giving up comfort or style.
GMC 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 Keep Assist with Lane Departure Warning Safety Alert Seat
HD Surround Vision Provides the driver with an overhead view of the scene around the vehicle on a centre stack display. Includes front camera washer.
Trailer Camera Provisions Includes trailer viewing software.
Transmission: 10-Speed Automatic Electronically controlled with overdrive, tow/haul mode and steering column paddle shifters. Includes ele electronic precision shift, cruise grade braking and powertrain grade braking.
2 Charge/Data USB Ports Inside Centre Console
Trailer Side Blind Zone Alert
3.23 Rear Axle Ratio
2 USB Ports Located on first row console.
Black Chrome Header and Grille Insert Bars Includes gloss black accents.
Theft Deterrent System (unauthorized Entry)
Perimeter Lighting
Skid Plates
120-Volt Interior Power Outlet 400 watts shared with (KC9) bed mounted power outlet.120-Volt Bed Mounted Power Outlet 400 watts shared with (KI4) interior power outlet.
Heated 2nd Row Outboard Seats
Spray-on Pickup Bedliner with GMC Logo Does not include spray-on liner on tailgate due to black composite inner panel.
Perforated Leather Front Seat Trim
OnStar Services Capable See onstar.ca for details and limitations. Services vary by model. Service plan required.
Integrated Trailer Brake Controller
Push Button Start
Power Front Windows with Driver Express Up/Down
Power Front Passenger Windows with Express Up/Down
Deep-Tinted Glass
Keyless Open and Start Includes remote keyless entry.
Trailering Package Includes trailer hitch, 7-pin and 4-pin connectors.Hitch Guidance
Power Rear Windows with Express Down
Wi-Fi Hotspot Capable Terms and limitations apply. See onstar.ca or dealer for details.
Colour-Keyed Carpeting Floor Covering
Rear Wheelhouse Liners
GVWR: 7,200 lbs (3,266 Kgs)
Ultrasonic Front and Rear Park Assist Beginning with start of production, vehicles built prior to July 11, 2022 may be forced to include (00Z) not equipped with front and rear park assist, which removes front and rear park assist. See dealer for details or the window label for the features on a specific vehicle. Vehicles built on or after July 11, 2022 will include (UD5) front and rear park assist.
Steering Wheel Audio Controls
Front Premium Floor Liners with Removable Carpet Insert Rear Premium Floor Liners with Removable Carpet Insert
2 Charge-Only Rear USB Ports
Rear Cross Traffic Braking
Hitch View Includes image adjustment and pan/zoom/tilt.
Auto-Locking Rear Differential
Power Door Locks
Off-Road Suspension with 2" Factory Installed Lift Includes monotube shocks.
Heavy-Duty Air Filter
Front Bucket Seats Includes centre console.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. Heated Driver and Front Outboard Passenger Seating Ventilated Driver and Front Passenger Seats
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.
Wheels: 20" x 9" Machined Aluminum
Front Rain-Sensing Wipers
Floor-Mounted Centre Console Includes cup holders, cell phone storage, power cord management and hanging file folder capability.
Remote Vehicle Starter System
Radio: Premium GMC Infotainment Audio System Includes 13.4" diagonal colour touch-screen, Google built in apps such as navigation and voice assistance, multi-touch display, AM/FM stereo an
* 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 1500 AT4 4x4 Crew Cab 6.6 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.