The 2026 GMC Sierra 1500 AT4 Crew Cab Short Box 4WD brings together rugged off-road capability, commanding V8 power, and upscale everyday comfort. With its bold Summit White exterior, AT4 styling, advanced trailering technology, and premium interior appointments, this full-size pickup is engineered to take on demanding terrain while keeping every drive refined and comfortable.  

 

Performance & Capability  

Engine: 6.2L ECOTEC3 V8 delivering strong, confident power for towing, hauling, and open-road performance  

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

Drivetrain: Autotrac two-speed 4-Wheel Drive system for adaptable traction across changing road and terrain conditions  

Rear Axle: 3.23 axle ratio balancing strong performance with highway drivability  

Off-Road Suspension: AT4 off-road suspension package engineered for increased capability beyond the pavement  

Automatic Locking Rear Differential: Helps maintain traction when conditions get challenging  

Hill Descent Control: Provides controlled, confident descents on steep or uneven terrain  

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

All-Terrain Tires: 275/60R-20 tires mounted on 20 machined aluminum wheels with Carbon Grey Metallic accents  

Active Exhaust: Performance-focused exhaust system adds an unmistakable V8 character  

Engine & Transmission Oil Coolers: Added thermal management for demanding driving and towing conditions  

170-Amp Alternator: Supports the trucks electrical demands and accessory use  

 

Trailering & Utility  

Trailering Equipment: Integrated trailer brake controller for confident control while towing  

Hitch Guidance with Hitch View: Helps simplify trailer hookup and improve visibility around the hitch  

Trailering App: Convenient in-vehicle tools to help monitor and manage towing functions  

Trailer Camera Provisions: Prepared for enhanced trailer visibility  

Trailer Side Blind Zone Alert: Helps provide additional awareness alongside the truck and trailer  

GMC MultiPro Tailgate: Versatile multi-function design for easier loading, access, and cargo management  

EZ Lift Power Lock & Release Tailgate: Convenient powered tailgate operation  

Spray-On Bedliner: Durable protection for the pickup bed  

120V Power Outlets: Convenient AC power available in the cabin and cargo bed  

LED Cargo Bed Lighting: Illuminates the box for easier loading after dark  

Rear Seat Storage Package: Adds practical storage for everyday gear  

 

Winter & Weather Comfort  

Heated Front Seats: Warmth and comfort during cold-weather drives  

Ventilated Front Seats: Helps keep occupants comfortable during warmer conditions  

Heated Rear Outboard Seats: Adds first-class comfort for rear passengers  

Heated Steering Wheel: Keeps hands warm during Canadian winters  

Engine Block Heater: Helps support reliable cold-weather starts  

Dual-Zone Automatic Climate Control: Allows driver and passenger to select individual temperature preferences  

Rain-Sensing Wipers: Automatically respond to changing precipitation  

Heated Rear Window: Improves visibility in snow, frost, and cold weather  

Deep-Tinted Glass: Adds privacy while helping manage cabin brightness  

 

Interior Comfort & Technology  

Power Sliding Rear Window: Conveniently opens the rear glass for added airflow  

Power Tilt/Telescopic Steering Column: Allows precise steering-wheel positioning  

Wireless Charging: Conveniently powers compatible smartphones without cables  

Wireless Apple CarPlay & Android Auto: Seamless smartphone connectivity  

13.4 GMC Premium Infotainment System: Large touchscreen with Google Built-In compatibility and navigation capability  

12 Reconfigurable Digital Driver Display: Presents important driving information in a customizable format  

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

Rear Camera Mirror: Enhances rearward visibility while driving or maneuvering  

Bed View Camera: Provides a useful view into the cargo box  

Bose Premium Audio: Delivers rich, immersive sound throughout the cabin  

Universal Home Remote: Conveniently operates compatible garage doors and home systems  

Power Sunroof: Brings extra light and an open-air feel into the cabin  

 

Safety & Driver Assistance  

GMC Pro Safety: Advanced driver-assistance technology designed to enhance awareness and confidence  

Forward Collision Alert & Automatic Emergency Braking: Helps detect potential frontal collisions and can assist with emergency stopping  

Front Pedestrian Braking: Adds protection when pedestrians are detected ahead  

Lane Keep Assist with Lane Departure Warning: Helps encourage proper lane positioning  

Adaptive Cruise Control: Helps maintain a selected following distance on the highway  

Rear Cross Traffic Braking: Provides additional assistance when backing out of parking spaces  

Rear Pedestrian Alert: Helps increase awareness behind the vehicle  

HD Surround Vision: Provides enhanced visibility around the truck when maneuvering  

Front & Rear Park Assist: Helps make parking and tight-space maneuvering easier  

Drivers Safety Alert Seat: Provides directional seat vibrations for certain safety alerts  

Following Distance Indicator: Helps monitor the distance to the vehicle ahead  

IntelliBeam: Automatically adjusts high-beam lighting when appropriate  

Teen Driver Mode & Buckle-to-Drive: Additional tools designed to encourage safer driving habits  

 

Exterior Styling & Utility  

Exterior Colour: Summit White crisp, bold, and unmistakably rugged  

AT4 Design: Distinctive off-road appearance complemented by red front recovery hooks  

20 Machined Aluminum Wheels: Finished with Carbon Grey Metallic accents for a premium AT4 presence  

LED Lighting: LED headlamps, front fog lamps, and cargo-bed lighting provide excellent visibility  

Red Recovery Hooks: Signature AT4-inspired detailing with functional trail-ready purpose  

Perimeter Lighting: Adds convenience and visibility around the truck at night  

Power Mirrors & Rear Bumper Corner Steps: Practical touches designed for everyday usability  

 

Whether youre navigating snowy Canadian roads, towing recreational equipment, hauling gear, or leaving the pavement behind, the 2026 GMC Sierra 1500 AT4 delivers a compelling combination of V8 strength, advanced 4WD capability, premium technology, and all-season comfort. Its a truck built with the toughness to explore and the refinement to make every journey feel first-class. 

 



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.

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 BlackLighting, 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.)