The 2026 GMC Sierra 1500 AT4 combines rugged off-road capability, bold GMC styling, and premium everyday comfort. With its powerful V8, advanced 4WD system, and purpose-built AT4 equipment, this pickup is designed to take on challenging terrain while keeping every drive refined and connected.  

 

Performance & Capability  

Engine: 6.2L EcoTec3 V8 delivering strong, confident power for highway cruising, hauling, and off-road adventures  

Transmission: 10-speed automatic transmission with Electronic Precision Shift for smooth, responsive gear changes  

Drivetrain: Four-wheel drive with an Autotrac two-speed transfer case for confident traction across changing terrain  

Rear Differential: Automatic locking rear differential for enhanced grip when conditions get demanding  

Rear Axle: 3.23 ratio for a balanced combination of performance and towing capability  

Off-Road Suspension: AT4-specific off-road suspension engineered for improved control and capability away from paved roads  

Hill Descent Control: Helps maintain controlled speed on steep or uneven downhill terrain 

Skid Plates: Added underbody protection for greater confidence when exploring rough surfaces  

Drive Modes: Selectable drive modes allow the truck to adapt to changing road and terrain conditions  

Active Exhaust: Provides a distinctive performance character while complementing the powerful V8  

Heavy-Duty Air Filter & Engine Oil Cooler: Built to support demanding driving conditions  

Trailer Brake Controller: Integrated control for confident trailer braking  

Towing Technology: Hitch Guidance with Hitch View, Trailer Camera Provisions, Trailer Side Blind Zone Alert, and a dedicated trailering app  

 

Winter & All-Weather Comfort  

Heated Front Seats keep occupants comfortable through cold Canadian mornings  

Heated Rear Outboard Seats add warmth for second-row passengers  

Heated Steering Wheel provides added comfort during winter driving  

Engine Block Heater helps support reliable cold-weather starts  

Dual-Zone Automatic Climate Control allows driver and passenger to set individual temperatures  

Rain-Sensing Wipers automatically respond to changing weather conditions  

Heated Rear Window & Defogger improve visibility in cold and damp conditions  

Premium Floor Liners with removable carpet inserts help protect the cabin throughout the seasons  

 

Interior Comfort & Convenience  

Power Front Bucket Seats with power driver and passenger adjustments  

Driver Memory Settings conveniently recall preferred seat and mirror positions  

Ventilated Front Seats provide cooling comfort during warmer weather  

Power Sliding Rear Window adds ventilation and versatility  

Power Tilt/Telescopic Steering Column allows for a personalized driving position  

Wrapped Steering Wheel adds a premium touch to the AT4 interior  

Wireless Charging and multiple USB ports keep compatible devices powered  

Keyless Open & Push-Button Start provide effortless entry and ignition  

Remote Vehicle Start lets you warm or cool the cabin before setting out  

13.4 GMC Premium Infotainment System with Google Built-In and navigation capability  

12 Reconfigurable Digital Driver Display puts important driving information directly in view  

15 Multicolor Head-Up Display projects key information into the drivers line of sight  

Bose Premium Audio System delivers rich, immersive sound throughout the cabin  

Wireless Apple CarPlay & Android Auto provide seamless smartphone connectivity  

Rear Camera Mirror enhances rearward visibility, while active noise cancellation helps create a quieter cabin  

 

Safety & Driver Assistance  

GMC Pro Safety provides a comprehensive suite of intelligent driver-assistance features  

Forward Collision Alert & Automatic Emergency Braking help monitor traffic ahead  

Front Pedestrian Braking adds protection when pedestrians are detected in the vehicles path  

Lane Keep Assist with Lane Departure Warning helps encourage centered, attentive driving  

Adaptive Cruise Control helps maintain a selected following distance  

Front & Rear Park Assist provides added confidence when maneuvering in tight spaces  

Rear Cross Traffic Braking helps detect potential hazards when reversing  

Rear Pedestrian Alert provides additional awareness around the truck  

HD Surround Vision offers a detailed view around the vehicle for easier parking and maneuvering  

Trailer Side Blind Zone Alert helps monitor areas that may be difficult to see while towing  

Driver Safety Alert Seat provides tactile warnings through the drivers seat  

IntelliBeam Automatic High Beams help improve nighttime visibility  

Teen Driver Mode, Buckle-to-Drive & Rear Seat Reminder add thoughtful safety-conscious features for families  

 

Exterior Styling & Utility  

Onyx Black Exterior gives the Sierra 1500 AT4 a commanding, sophisticated appearance  

18 Machined Aluminum Wheels with Dark Painted Pockets complement its rugged AT4 character  

LT275/65R18 Goodyear Territory MT Tires provide aggressive all-terrain traction and a purposeful stance  

Red Front Recovery Hooks add a signature AT4 detail and practical off-road functionality  

LED Fog Lamps, IntelliBeam & LED Cargo Bed Lighting provide enhanced visibility day or night  

Power Sunroof brings additional light and openness into the cabin  

Spray-On Bedliner helps protect the pickup box from everyday cargo use  

120-Volt Bed-Mounted Power Outlet provides convenient power for equipment and accessories  

GMC MultiPro Tailgate offers versatile configurations for loading, accessing, and organizing cargo  

EZ Lift Power Lock & Release Tailgate makes tailgate operation easier and more convenient  

Rear Bumper CornerSteps provide convenient access to the cargo box  

Roof & Perimeter Lighting add practicality and visibility around the truck  

 

Whether youre navigating snowy Canadian roads, towing on the highway, or heading beyond the pavement, the 2026 GMC Sierra 1500 AT4 delivers a compelling blend of V8 power, off-road confidence, advanced technology, and premium comfort. With its aggressive AT4 design and impressive collection of capability-focused features, its a truck built to go farther while making every journey feel distinctly GMC. 

 



AMVIC Licensed Dealer

*Every reasonable effort is made to ensure the accuracy of the information shown. The Standard Equipment listed is provided at the time of the manufacture and may not match the exact vehicle displayed. Please confirm with a sales representative the accuracy of this information.

Engine: 8 Cylinder Engine 6.2L/376CI
Safety EquipmentAirbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbagFront and Rear Park Assist, ultrasonicHitch GuidanceRear Seat ReminderStabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assistDaytime Running Lamps, LED signature lightingRear Seat Belt IndicatorTire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)Rear Cross Traffic BrakingRear Pedestrian AlertTrailer Side Blind Zone AlertHD 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 and trailer viewing softwareSeat Belt Adjustable Guide Loops, front row onlyAutomatic Emergency Braking (Included and only available with (PDI) GMC Pro Safety.)Front Pedestrian Braking (Included and only available with (PDI) GMC Pro Safety.)Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)Forward Collision Alert (Included and only available with (PDI) GMC Pro Safety.)Lane Keep Assist with Lane Departure Warning (Included and only available with (PDI) GMC Pro Safety.)Safety Alert Seat (Included and only available with (PDI) GMC Pro Safety.)Hitch View with image adjustment, Pan/Zoom/TiltOnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)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 (Included and only available with (PDI) GMC Pro Safety.)OnStar Basics (OnStar Fleet Basics for Fleet) Drive more confidently with up to 8 years of core OnStar services including mobile app commands, connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic, and Automatic Crash Response. (Requires (UE1) OnStar. Term begins on vehicle delivery date. Paid subscription required after expiry. Services are dependent on compatible wireless networks provided by third-party wireless service providers, working vehicle electrical systems, GPS signal and other factors outside GM control. Changes in technology and wireless networks may limit or prevent the operation of certain services. Services, connectivity, and capabilities have additional terms and limitations and are subject to change, and will vary by model, vehicle configuration, software version, conditions, and geographical and technical restrictions. Compatible smartphone required for mobile app commands. Not all vehicles may transmit all crash data; OnStar links to emergency services; Voice and Maps apps are subject to change at any time and may be provided by third parties. Non-refundable and no cash value. See onstar.ca/en/info for terms and details.)Interior EquipmentSeat adjuster, driver 10-way power including lumbarSeat adjuster, passenger 10-way power including lumbarSeating, heated driver and front outboard passengerSeats, ventilated driver and front passengerSeats, heated second row outboard seatsCentre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capabilityFloor covering, colour-keyed carpetingSteering wheel, heatedCompass, located in instrument clusterWindow, power front, passenger express up/downWindows, power rear, express downDoor locks, powerRemote vehicle starter systemTheft-deterrent system, unauthorized entryDefogger, rear-window electricMirror, inside rearview auto-dimmingAssist handles front A-pillar mounted for driver and passenger, rear B-pillar mountedAir conditioning, dual-zone automatic climate controlExterior Temperature Display, located in radio displayPower outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)Adaptive Cruise ControlSteering wheel, wrappedWireless ChargingUSB Ports, 2 (first row) located on consoleAir vents, rearDriver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital displayBrake lining wear indicatorWindows, power front, drivers express up/downDriver memory recalls driver "presets" for power driver seat and outside mirrorsUSB Ports, 2, Charge/Data ports located inside centre consoleSteering column lock, electricalSeats, front bucket with centre consolePremium Floor Liners with removable carpet insert, frontPremium Floor Liners with removable carpet insert, rearKeyless Open and Start includes remote keyless entryUSB ports, (2) charge-only, rearGMC Premium information Display-13.4" diagonal Multicolour I touch screenSeat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, centre fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)Steering column, power rake and telescopingIn-Vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics and Trailer Tire Pressure Monitor System moduleSeat trim, Perforated leather frontExterior EquipmentTire carrier lock keyed cylinder lock that utilizes same key as ignition and doorCornerStep, rear bumperGlass, deep-tintedTailgate and bed rail protection caps, topDoor handles, body-colourLamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheelWheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spareMirror caps, high gloss BlackWheelhouse liners, rearLighting, perimeterMirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memoryWipers, front rain-sensingFog lamps, LEDTailgate, GMC MultiPro Tailgate with six functional load/access featuresBumper, rear body-colour with corner stepsBumper, front, body-colour lowerLED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fobTailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area lightHeadlamps, LED projectors with Fade-on/Fade-off animation, LED turn signals and Daytime Running LampsIntelliBeam, automatic high beam on/off (Included and only available with (PDI) GMC Pro Safety.)Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animationWheelhouse liners, rear (Deleted with (PCP) AT4 CarbonPro Edition.)Grille (Black chrome header and grille insert bars with gloss black accents.)Wheels, 20" x 9" (50.8 cm x 22.9 cm) machined aluminum with Carbon Grey Metallic accentsTires, 275/60R20SL all-terrain, blackwall (Includes (QAQ) spare tire.)Tire, spare 255/80R17SL all-season, blackwall (Included and only available with 20" or 22" wheels and tires excluding (QFV) LT265/60R20 MT blackwall Goodyear Wrangler Territory tires.)Bedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Deleted with (PCP) AT4 CarbonPro Edition.)Entertainment EquipmentBose Sound System, premium 7-speaker system with Richbass wooferBluetooth for phone connectivity to vehicle infotainment systemWi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)SiriusXMSteering wheel audio controlsAudio System, 13.4 " diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes colour touch-screen, multi-touch display, AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phonesWireless, Apple CarPlay / Wireless Android AutoSiriusXM 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. All SiriusXM services require a subscription, sold separately by SiriusXM after the trial period. Your SiriusXM service will automatically stop at the end of your trial unless you decide to subscribe. If you decide to continue service after your trial, the subscription plan you choose will continue for an indeterminate term and you will be charged according to your chosen payment method at the then current rates unless and until you cancel. Taxes apply. Please see the SiriusXM Customer Agreement at siriusxm.ca/terms for complete terms and how to cancel, which includes calling SiriusXM at 1-888-539-7474. All rates, content, and programming are subject to change. SiriusXM uses personal information in accordance with SiriusXM Privacy Policy, available at siriusxm.ca/privacy. SiriusXM Canada Inc. "SiriusXM", the SiriusXM logo, channel names and logos are trademarks of Sirius XM Radio Inc. and are used under license.)Mechanical EquipmentFour wheel driveTrailer brake controller, integratedBrakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotorsFrame, fully-boxed, hydroformed front sectionExhaust, aluminized stainless-steel muffler and tailpipePush Button StartAir filter, heavy-dutyAuto-locking rear differentialAutomatic Stop/StartHill Descent ControlSkid PlatesSteering, Electric Power Steering (EPS) assist, rack-and-pinionCapless Fuel FillRear axle, 3.23 ratioAlternator, 220 ampsPickup bedTransfer case, two-speed, electronic Autotrac with push button control (4WD models only)Suspension, Off-Road with 2" factory installed lift and monotube shocksRecovery hooks, RedCargo tie downs (12), fixed, rated at 500 lbs per cornerElectronic Precision Shift and steering column paddle shiftersEngine, Duramax 3.0L Turbo-Diesel I6 (305 hp [227 kW] @ 3750 rpm, 495 lb-ft of torque [671 Nm] @ 2750 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater.)Battery, heavy-duty 850 cold-cranking amps/95 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)Transmission, 10-speed automatic with Electronic Precision shift, electronically controlled with overdrive, tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade BrakingGVWR, 7200 lbs. (3266 kg) (Requires TK10*43 Crew Cab 4WD model with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)Exhaust, dual system (Includes chrome exhaust tips. Not available with (L87) 6.2L EcoTec3 V8 engine.)Other EquipmentTrailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch GuidanceGMC Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UHX) Lane Keep Assist with Lane Departure Warning, and (UHY) Automatic Emergency Braking (Includes (T8Z) Buckle to Drive and (HS1) Safety Alert Seat.)