Vehicle Details
Body Style
Truck
Engine
3.0L 6Cyl
Exterior Colour
Tan
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
303001
Fuel Type
Diesel
Trim Details
Crew Cab Short Box 4-Wheel Drive AT4
Description
The 2026 GMC Sierra 1500 AT4 Crew Cab Short Box 4-Wheel Drive AT4 is engineered for drivers who crave refined power and authentic off-road capability. Boldly styled and purpose-built, this premium full-size pickup blends advanced diesel performance, rugged hardware, and upscale comfort — ready to conquer the backcountry or command the highway with equal confidence.Â
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Performance & CapabilityÂ
Engine: 3.0L Duramax® Turbo-Diesel delivering impressive torque, smooth power delivery, and exceptional efficiencyÂ
Transmission: 10-speed automatic with electronic precision shift for seamless gear changesÂ
Drivetrain: Autotrac® two-speed transfer case with 4-Wheel Drive for confident traction on demandÂ
Rear Axle: 3.23 ratio engineered for balanced towing strength and everyday drivabilityÂ
Off-Road Suspension: AT4-tuned suspension package with factory skid plates for enhanced ground clearance and protectionÂ
Automatic Locking Rear Differential: Maximizes traction in challenging terrainÂ
Hill Descent Control: Maintains steady, controlled descents on steep gradesÂ
All-Terrain Tires: 275/60R20 rugged tires wrapped around 20" machined aluminum wheels with Carbon Grey metallic accentsÂ
Trailering Equipment: Integrated trailer brake controller, hitch guidance with Hitch View, and advanced in-vehicle trailering appÂ
Trailer Camera Provisions & Bed View Camera: Expanded visibility for confident maneuveringÂ
Dual Exhaust & Heavy-Duty Air Filter: Designed for durability and optimized performanceÂ
220-amp Alternator: Power support for demanding accessories and towing needsÂ
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Off-Road Presence & Exterior StylingÂ
AT4 Signature Design: Darkened accents, bold grille presence, and athletic stanceÂ
Red Front Recovery Hooks: Built for real-world adventure and unmistakable AT4 identityÂ
GMC MultiPro Tailgate: Six-function versatility for loading, step access, and workstation convenienceÂ
EZ Lift Power Lock & Release Tailgate: Effortless access to the durable steel cargo boxÂ
Spray-On Bedliner: Long-lasting protection against wear and tearÂ
120-Volt Bed-Mounted Power Outlet: Convenient power supply at the job site or campsiteÂ
LED Lighting: Signature LED headlamps, fog lamps, IntelliBeam automatic high beams, and LED cargo bed lightingÂ
Perimeter Lighting: Illuminates the area around your truck at nightÂ
Power Sunroof: Expansive open-air driving experienceÂ
Off-Road High Clearance Steps: Easier access with functional ground clearanceÂ
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Interior Comfort & CraftsmanshipÂ
Jet Black / Kalahari Interior: Premium contrast stitching and refined detailingÂ
Front Bucket Seats: Heated and ventilated with 10-way power adjust for both driver and passengerÂ
Heated Rear Outboard Seats: Elevated comfort for second-row passengersÂ
Heated Steering Wheel: Welcome warmth in cold-weather drivingÂ
Dual-Zone Automatic Climate Control: Personalized cabin temperatures with advanced humidity sensingÂ
Power Sliding Rear Window: Fresh air at the touch of a buttonÂ
Rear Seat Storage Package: Clever under-seat cargo organizationÂ
Power Tilt & Telescopic Steering Column: Personalized driving positionÂ
Remote Start System & Push-Button Start: Effortless everyday convenienceÂ
Wireless Charging Pad & Multiple USB Ports: Seamless device connectivityÂ
Universal Home Remote: Integrated control for compatible home systemsÂ
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Technology & ConnectivityÂ
13.4" GMC Premium Infotainment Touchscreen: With Google Built-In compatibility, navigation capability, and wireless phone projectionÂ
12" Reconfigurable Digital Driver Display: Customizable performance and vehicle dataÂ
15" Multicolor Head-Up Display: Projects key information directly onto the windshieldÂ
Rear Camera Mirror: Enhanced rear visibility with camera technologyÂ
HD Surround Vision: Comprehensive 360-degree perspective when parking or traileringÂ
Bose® Premium Audio System: Rich, immersive sound throughout the cabinÂ
Adaptive Cruise Control: Maintains preset following distance for highway confidenceÂ
Wi-Fi® Hotspot Capability: Stay connected wherever the road leadsÂ
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Safety & Driver AssistanceÂ
GMC Pro Safety Suite: Advanced active safety technologies designed for everyday assuranceÂ
Forward Collision Alert with Automatic Emergency BrakingÂ
Front Pedestrian Braking & Rear Pedestrian AlertÂ
Lane Keep Assist with Lane Departure WarningÂ
Rear Cross Traffic BrakingÂ
Trailer Side Blind Zone AlertÂ
Front & Rear Park Assist with Following Distance IndicatorÂ
Driver Safety Alert Seat: Subtle vibration warnings for enhanced awarenessÂ
Teen Driver Mode & Buckle-to-Drive: Encourages responsible driving habitsÂ
Comprehensive Airbag System & Tire Pressure MonitoringÂ
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Whether navigating rugged backcountry trails, hauling heavy loads, or cruising through the city, the 2026 GMC Sierra 1500 AT4 Crew Cab Short Box delivers confident diesel performance, premium craftsmanship, and unmistakable presence. It’s built for those who demand off-road grit without sacrificing modern refinement, a truck that works hard, explores boldly, and drives with authority.Â
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Packages & Options
Standard Equipment
Technical Specifications
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AM/FM Stereo
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Auxiliary Audio Input
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Bluetooth Connection
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MP3 Player
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Navigation System
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Smart Device Integration
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Requires Subscription
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Satellite Radio
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Premium Sound System
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Steering Wheel Audio Controls
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WiFi Hotspot
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Aluminum Wheels
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Tires - Front All-Terrain
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Tires - Rear All-Terrain
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Conventional Spare Tire
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Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
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Wheelhouse liners, rear (Deleted with (PCP) AT4 CarbonPro Edition.)
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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
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Bumper, front, body-colour lower
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CornerStep, rear bumper
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Grille (Black chrome header and grille insert bars with gloss black accents.)
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Daytime Running Lights
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LED Headlights
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Automatic Highbeams
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Fog Lamps
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Lighting, perimeter
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Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
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Heated Mirrors
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Mirror Memory
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Power Folding Mirrors
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Power Mirror(s)
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Mirror caps, high gloss Black
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Intermittent Wipers
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Rain Sensing Wipers
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Variable Speed Intermittent Wipers
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Privacy Glass
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Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
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LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
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Integrated Tailgate Step
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Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
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Tailgate and bed rail protection caps, top
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Door handles, body-colour
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Bed Liner
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Bucket Seats
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Leather Seats
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Driver Adjustable Lumbar
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Power Driver Seat
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Passenger Adjustable Lumbar
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Power Passenger Seat
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Heated Front Seat(s)
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Mirror Memory
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Seat Memory
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Cooled Front Seat(s)
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Pass-Through Rear Seat
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Rear Bench Seat
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Heated Rear Seat(s)
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Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
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Floor covering, colour-keyed carpeting
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Floor Mats
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Adjustable Steering Wheel
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Steering wheel, wrapped
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Heated Steering Wheel
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Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
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GMC Premium information Display-13.4" diagonal Multicolour I touch screen
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In-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 module
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Compass, located in instrument cluster
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Exterior Temperature Display, located in radio display
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Brake lining wear indicator
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Power Windows
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Power Door Locks
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Keyless Entry
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Keyless Start
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Remote Engine Start
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Adaptive Cruise Control
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Cruise Control
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Security System
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Steering column lock, electrical
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Wireless Charging
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Power outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
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Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
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Auxiliary Audio Input
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MP3 Player
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USB ports, (2) charge-only, rear
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A/C
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Climate Control
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Multi-Zone A/C
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Air vents, rear
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Rear Defrost
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Auto-Dimming Rearview Mirror
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Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
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Diesel Fuel
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Straight 6 Cylinder Engine
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Turbocharged
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10-Speed A/T
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A/T
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Transmission w/Dual Shift Mode
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Rear axle, 3.23 ratio
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Pickup bed
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GVWR, 7200 lbs. (3266 kg) (Requires TK10*43 Crew Cab 4WD model with (LZ0) Duramax 3.0L Turbo-Diesel I6 engine.)
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Keyless Start
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Air filter, heavy-duty
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Hill Descent Control
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Locking/Limited Slip Differential
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Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
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Suspension, Off-Road with 2" factory installed lift and monotube shocks
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Four Wheel Drive
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Alternator, 220 amps
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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.)
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Frame, fully-boxed, hydroformed front section
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Trailer brake controller, integrated
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Tow Hooks
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Skid Plates
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Cargo tie downs (12), fixed, rated at 500 lbs per corner
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Capless Fuel Fill
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Exhaust, dual system (Includes chrome exhaust tips. Not available with (L87) 6.2L EcoTec3 V8 engine.)
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Exhaust, aluminized stainless-steel muffler and tailpipe
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Tow Hitch
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Automatic Highbeams
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Front Collision Mitigation
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Front Collision Warning
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Lane Departure Warning
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Lane Keeping Assist
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Front Collision Mitigation
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Front Collision Warning
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Stability Control
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Traction Control
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Daytime Running Lights
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Driver Air Bag
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Front Head Air Bag
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Front Side Air Bag
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Passenger Air Bag
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Passenger Air Bag Sensor
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Rear Head Air Bag
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Requires Subscription
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Telematics
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Hitch View with image adjustment, Pan/Zoom/Tilt
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Hitch Guidance
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Aerial View Display System
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Back-Up Camera
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Trailer Camera Provisions and trailer viewing software
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Rear Parking Aid
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Following Distance Indicator (Included and only available with (PDI) GMC Pro Safety.)
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Lane Departure Warning
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Lane Keeping Assist
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Blind Spot Monitor
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Cross-Traffic Alert
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Rear Pedestrian Alert
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Driver Monitoring
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Seat Belt Adjustable Guide Loops, front row only
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Rear Seat Belt Indicator
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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.)
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Tire Pressure Monitor
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Rear Seat Reminder
No matches were found.
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Vehicle NameGMC Sierra 1500
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Body StyleCrew Cab Pickup
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Body CodeE63
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DrivetrainFour Wheel Drive
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Trans Order CodeMQC
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Trans Type10
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.70
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Second Gear Ratio (:1)2.99
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Third Gear Ratio (:1)2.15
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Fourth Gear Ratio (:1)1.77
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Fifth Gear Ratio (:1)1.52
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Sixth Gear Ratio (:1)1.28
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Seventh Gear Ratio (:1)1.00
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Eighth Gear Ratio (:1)0.85
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Ninth Gear Ratio (:1)0.69
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Tenth Gear Ratio (:1)0.64
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Reverse Ratio (:1)4.87
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Transfer Case ModelMagna MP3023/4
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Transfer Case Gear Ratio (:1), High1.00
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Transfer Case Gear Ratio (:1), Low2.69
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Passenger Capacity5
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Front Head Room (in)43.03
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Front Leg Room (in)44.53
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Front Shoulder Room (in)64.54
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Front Hip Room (in)60.78
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Second Head Room (in)40.12
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Second Leg Room (in)43.4
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Second Shoulder Room (in)64
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Second Hip Room (in)59.24
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Gross Axle Wt Rating - Front (lbs)3800
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Gross Axle Wt Rating - Rear (lbs)3800
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Curb Weight - Front (lbs)2845
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Curb Weight - Rear (lbs)1981
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Gross Vehicle Weight Rating Cap (lbs)7200
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Gross Combined Wt Rating (lbs)15000
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EnerGuide Estimate - City (L/100 km)10.7
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EnerGuide Estimate - Hwy (L/100 km)9.3
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G/km Of CO2 Emissions270
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Dead Weight Hitch - Max Trailer Wt. (lbs)5000
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Dead Weight Hitch - Max Tongue Wt. (lbs)500
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Wt Distributing Hitch - Max Trailer Wt. (lbs)8700
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Wt Distributing Hitch - Max Tongue Wt. (lbs)870
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)6700
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)1675
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Maximum Trailering Capacity (lbs)9000
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Engine TypeTurbocharged Diesel I6
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Fuel SystemDirect Injection
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Engine Order CodeLZ0
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Displacement3.0L/183
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SAE Net Horsepower @ RPM305 @ 3750
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SAE Net Torque @ RPM495 @ 2750
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Cold Cranking Amps @ 0° F (Primary)850
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Maximum Alternator Capacity (amps)220
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Frame TypeHydroformed
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Suspension Type - FrontIndependent
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Suspension Type - RearSolid Axle
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Spring Capacity - Front (lbs)3800
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Spring Capacity - Rear (lbs)3850
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Axle Capacity - Front (lbs)3800
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Axle Capacity - Rear (lbs)3800
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Axle Ratio (:1) - Front3.23
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Axle Ratio (:1) - Rear3.23
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Stabilizer Bar Diameter - Front (in)1.3
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Front Tire Order CodeQAE
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Rear Tire Order CodeQAE
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Spare Tire Order CodeQAQ
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Front Tire Size275/60R20SL
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Rear Tire Size275/60R20SL
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Spare Tire Size255/80R17SL
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Front Tire Capacity (lbs)3800
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Rear Tire Capacity (lbs)3800
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Revolutions/Mile @ 45 mph - Front (Rev/Mile)N/A
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Revolutions/Mile @ 45 mph - Rear (Rev/Mile)N/A
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Revolutions/Mile @ 45 mph - Spare (Rev/Mile)N/A
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Front Wheel Size (in)20 x 9
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Rear Wheel Size (in)20 x 9
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Spare Wheel Size (in)17 x 8
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Spare Wheel MaterialSteel
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Steering TypeElectric Rack & Pinion
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Turning Diameter - Curb to Curb (ft)47.3
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Turning Diameter - Wall to Wall (ft)N/A
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Brake TypePwr
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Brake ABS System4-Wheel
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Disc - FrontYes
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Disc - RearYes
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Front Brake Rotor Diam x Thickness (in)13 x 1.18
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Rear Brake Rotor Diam x Thickness (in)13.6 x 0.79
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Fuel Tank Capacity, Approx (L)91
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Wheelbase (in)148
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Length, Overall (in)232.9
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Width, Max w/o mirrors (in)81.24
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Height, Overall (in)78.35
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Ground Clearance, Front (in)11.1
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Ground Clearance, Rear (in)11.1
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Cargo Box Length @ Floor (in)69.92
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Cargo Box Width @ Floor (in)71.4
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Cargo Box Width @ Wheelhousings (in)50.63
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Cargo Box (Area) Height (in)22.42
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Cargo Volume (ft³)62.9
No matches were found.
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