The 2026 GMC Sierra 1500 AT4X Crew Cab Short Box 4-Wheel Drive AT4X blends premium craftsmanship, extreme off-road capability, and advanced technology into a rugged full-size pickup engineered for adventure without sacrificing comfort. With its aggressive AT4X styling, luxurious interior appointments, and trail-ready hardware, this Sierra is built for drivers who demand refinement, strength, and confidence on every journey. 

Performance & Capability 

Engine: Duramax 3.0L Turbo-Diesel engine delivering exceptional torque, smooth power delivery, and impressive efficiency  

Transmission: Responsive 10-speed automatic transmission with Electronic Precision Shift  

Drivetrain: Advanced Autotrac 4-Wheel Drive 4WD system built for confident traction in all conditions  

AT4X Off-Road Suspension Package engineered for enhanced trail capability and ride control  

Driver-Selectable Front and Rear Locking Differentials for maximum off-road traction  

Hill Descent Control providing confidence on steep and uneven terrain  

Skid Plates and heavy-duty underbody protection for rugged trail durability  

2-Speed Transfer Case designed for serious off-road performance  

Off-Road Tuned Suspension delivering exceptional capability without compromising comfort  

3.23 Rear Axle Ratio balancing towing capability and highway refinement  

Integrated Trailer Brake Controller with Hitch Guidance and Hitch View technology  

Trailering App and Trailer Camera Provisions helping simplify towing and maneuvering  

Heavy-Duty Air Filter and 220-amp alternator engineered for demanding environments  

Dual Exhaust System adding a bold and aggressive presence  

Drive Mode Selector allowing optimized performance across varying terrain and driving conditions  

Winter & Weather Comfort 

Heated & Ventilated Front Seats delivering year-round comfort in every climate  

Heated Rear Outboard Seats and Heated Steering Wheel for added cold-weather luxury  

Remote Vehicle Start System to warm or cool the cabin before departure  

Dual-Zone Automatic Climate Control with rear air vents for personalized comfort throughout the cabin  

Engine Block Heater for reliable cold-weather starting capability  

Rain-Sensing Windshield Wipers and Deep-Tinted Glass enhancing visibility and comfort in changing conditions  

Premium Floor Liners with removable carpet inserts for all-season interior protection  

Interior Comfort & Convenience 

Premium AT4X Interior with upscale materials and distinctive Jet Black/Ceramic White accents  

Front Bucket Seats with power driver and passenger adjustments plus power lumbar support  

Driver & Front Passenger Massage Seats for elevated long-distance comfort  

Driver Memory Settings recalling preferred seating and mirror positions  

Power Sliding Rear Window and Rear Seat Storage Package for enhanced practicality  

Power Sunroof bringing natural light and an open-air feel to the cabin  

Wireless Charging Pad and multiple USB/120V power outlets throughout the interior 

Keyless Open & Push-Button Start for effortless daily convenience  

Wireless Apple CarPlay & Android Auto integration for seamless smartphone connectivity  

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

12 Digital Driver Information Centre with customizable driving information displays 

Bose Premium Sound System delivering rich, immersive audio quality  

15 Multicolor Head-Up Display projecting key driving information directly into the drivers line of sight  

Rear Camera Mirror and HD Surround Vision providing enhanced visibility around the vehicle  

Universal Home Remote and wireless connectivity features adding modern convenience  

Safety & Driver Assistance 

GMC Pro Safety suite offering advanced driver assistance and collision prevention technologies  

Forward Collision Alert with Automatic Emergency Braking  

Lane Keep Assist with Lane Departure Warning  

Adaptive Cruise Control for confident highway driving  

Front Pedestrian Braking and Following Distance Indicator  

Front & Rear Park Assist simplifying parking and maneuvering  

Rear Cross Traffic Braking and Rear Pedestrian Alert for enhanced awareness when reversing  

Trailer Side Blind Zone Alert improving confidence while towing  

HD Surround Vision and Bed View Camera delivering a comprehensive view around the truck and cargo area  

Driver Safety Alert Seat providing intuitive safety notifications  

Teen Driver Mode and Buckle-to-Drive features encouraging responsible driving habits  

Exterior Styling & Utility 

Exterior Colour: Summit White bold, clean, and commanding with premium contrast against AT4X accents  

18 Painted Aluminum Wheels wrapped in aggressive all-terrain tires for confident off-road capability  

AEV Stamped-Steel Front Bumper with heavy-duty cast recovery points for serious adventure readiness  

Signature AT4X Styling with rugged detailing and premium off-road design elements  

LED Fog Lamps, IntelliBeam headlamps, and LED Cargo Bed Lighting for enhanced visibility day or night  

GMC MultiPro Tailgate offering versatile loading, step access, and workstation functionality  

MultiPro Tailgate Audio System by Kicker adding entertainment capability wherever the adventure leads  

Spray-On Bedliner and rear wheelhouse liners helping protect the truck bed from heavy use  

EZ Lift Power Lock & Release Tailgate for added cargo convenience  

Perimeter Lighting and deep-tinted glass adding functionality and premium appeal  

120-Volt Bed-Mounted and Interior Power Outlets supporting tools, gear, and recreational equipment  

Whether youre conquering rugged backcountry trails, towing your toys to the lake, or cruising through everyday life in comfort, the 2026 GMC Sierra 1500 AT4X delivers uncompromising capability, luxury, and advanced technology in one exceptionally refined off-road truck. 

 



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.)Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera Provisions (Includes Trailer View Camera Provisions and Trailer Assist Guidelines.)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 EquipmentSeating, 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, leather-wrappedSteering wheel, heatedCompass, located in instrument clusterWindow, power front, passenger express up/downWindows, power rear, express downDoor locks, powerRemote vehicle starter systemUniversal Home RemoteTheft-deterrent system, unauthorized entryDefogger, rear-window electricAssist 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 ControlWireless 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 consoleKeyless 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)Seat trim, Full grain leatherSeat adjuster, driver 16-way power including lumbar and massageSeat adjuster, passenger 16-way power including lumbar and massagePremium Floor Liners with removable carpet insert, front (Deleted with (ULV) AT4X AEV Edition.)Premium Floor Liners with removable carpet insert, rear (Deleted with (ULV) AT4X AEV Edition.)Steering column, power rake and telescopingMulticolour 15" Diagonal Head-Up DisplayRear Camera Mirror, inside rearview auto-dimming with full camera displayIn-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 moduleExterior EquipmentTire carrier lock keyed cylinder lock that utilizes same key as ignition and doorGlass, deep-tintedWindow, power, rear sliding with rear defoggerTailgate and bed rail protection caps, topLamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheelMirror 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 featuresLED 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.)Tires, LT275/70R18 blackwall Goodyear Wrangler Territory MTTire, spare LT275/70R18 blackwall Goodyear Wrangler Territory MTWheels, 18" x 8.5" (45.7 cm x 21.6 cm) Gloss Black painted full-size, spare AluminumSunroof, powerFront Bumper, AEV Stamped-steel high approach Front Bumper with heavy duty cast recovery pointsCornerStep, rear bumper (Not included with (ULV) AT4X AEV Edition.)Grille (Gloss Black header with Dark Nickel grille insert bars with gloss black accents.)Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animationDoor handles, body-colour (Gloss Black with (ULV) AT4X AEV Edition.)Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) Painted aluminum with dark panted pocketsLPO, MultiPro Tailgate Audio System by KickerBedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel)Bumper, rear body-colour with corner steps (Bumper colour is High Gloss Black on AT4X.)Entertainment EquipmentBluetooth 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 AutoBose Premium Series with 12-speaker system with CenterPoint, Richbass woofer and AudioPilotSiriusXM 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-dutyAutomatic Stop/StartHill Descent ControlSkid PlatesSteering, Electric Power Steering (EPS) assist, rack-and-pinionCapless Fuel FillRear axle, 3.23 ratioAlternator, 220 ampsPickup bedCargo tie downs (12), fixed, rated at 500 lbs per cornerElectronic Precision Shift and steering column paddle shiftersDifferential, driver-selectable full-locking front, e-lockingDifferential, driver-selectable full-locking rear, e-lockingTransfer case, two-speed, electronic Autotrac with push button control (4WD models only) (Includes Terrain mode.)Suspension, Off Road with 2" factory installed lift and Multimatic DSSV dampers (Not available with 22" LPO wheels and tires.)Trailer Tire Pressure Monitor Sensors includes set of 4 sensors. Sensor functionality requires (UET) In-Vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM AccessoriesEngine, 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, 7300 lbs. (3311 kg) (Requires (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)Exhaust, dual system (No exposed chrome tips in bumper. Only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 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.)