Vehicle Details
Body Style
Truck
Engine
3.0L 6Cyl
Exterior Colour
Silver
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
302993
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 built for those who demand authentic off-road strength without sacrificing premium comfort. With its bold AT4 stance, diesel efficiency, and advanced trailering intelligence, this full-size pickup blends rugged capability with refined technology, ready for workdays, weekends, and everything beyond the pavement.Â
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Performance & CapabilityÂ
Engine: 3.0L Duramax® Turbo-Diesel delivering exceptional torque and smooth, efficient powerÂ
Transmission: 10-speed automatic with electronic precision shift for seamless accelerationÂ
Drivetrain: Autotrac® two-speed transfer case with 4-Wheel Drive for confident control in changing conditionsÂ
Suspension: AT4 Off-Road Suspension Package engineered for elevated ground clearance and trail composureÂ
Rear Axle: 3.23 ratio balancing towing strength with everyday drivabilityÂ
Automatic Locking Rear Differential: Enhanced traction when the terrain turns unpredictableÂ
Hill Descent Control: Controlled confidence on steep or uneven gradesÂ
Skid Plates: Underbody protection designed for real-world off-road challengesÂ
All-Terrain Tires: Goodyear Wrangler Territory MT tires mounted on 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: Expanded visibility for safer, more confident towingÂ
Heavy-Duty Air Filter & 220-Amp Alternator: Built to handle demanding environments and equipmentÂ
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Exterior Styling & UtilityÂ
AT4 Signature Design: Darkened exterior accents and commanding grille presenceÂ
Sterling Metallic Exterior: A sleek, modern finish that highlights the truck’s bold linesÂ
Red Front Recovery Hooks: Functional off-road hardware with unmistakable AT4 identityÂ
GMC MultiPro Tailgate: Six-function flexibility for loading, step access, and workstation convenienceÂ
EZ Lift Power Lock & Release Tailgate: Smooth, effortless cargo accessÂ
Spray-On Bedliner: Durable protection for the steel cargo boxÂ
120-Volt Bed-Mounted Power Outlet: Portable power wherever the job or adventure takes youÂ
LED Lighting: Signature LED headlamps, fog lamps, IntelliBeam automatic high beams, and LED cargo bed lightingÂ
Perimeter Lighting: Illuminated surroundings for added visibility at nightÂ
Power Sunroof: Open-air freedom at the push of a buttonÂ
Rear Bumper CornerSteps: Practical access to the cargo bedÂ
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Interior Comfort & ConvenienceÂ
Jet Black / Kalahari Interior: Premium materials with distinctive AT4 detailingÂ
Front Bucket Seats: Heated and ventilated with 10-way power adjustment for both driver and passengerÂ
Heated Rear Outboard Seats: Elevated comfort for second-row passengersÂ
Heated Steering Wheel: Added warmth for cold-weather drivingÂ
Dual-Zone Automatic Climate Control: Personalized comfort with advanced moisture sensingÂ
Power Sliding Rear Window: Fresh air and added versatilityÂ
Rear Seat Storage Package: Clever, hidden cargo organizationÂ
Power Tilt & Telescopic Steering Column: Tailored driving positionÂ
Wireless Charging Pad & Multiple USB Ports: Convenient device connectivityÂ
Keyless Open & Push-Button Start: Effortless entry and ignitionÂ
Remote Start System: Pre-condition the cabin before you step insideÂ
Universal Home Remote: Integrated garage and home system accessÂ
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Technology & ConnectivityÂ
13.4" GMC Premium Infotainment Touchscreen: With Google Built-In compatibility, navigation capability, Bluetooth®, and wireless phone projectionÂ
12" Reconfigurable Digital Driver Display: Customizable driving data at a glanceÂ
HD Surround Vision: 360-degree camera perspectives for parking and trailering precisionÂ
Rear Camera Mirror: Enhanced rear visibility through camera technologyÂ
Adaptive Cruise Control: Maintains preset following distance on the highwayÂ
Bose® Premium Audio System: Rich, immersive sound throughout the cabinÂ
Wi-Fi® Hotspot Capability: Stay connected wherever your route leadsÂ
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Safety & Driver AssistanceÂ
GMC Pro Safety Suite: Advanced driver assistance technologies designed for confidenceÂ
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: Vibrating seat alerts for intuitive awarenessÂ
Teen Driver Mode & Buckle-to-Drive: Encourages responsible driving habitsÂ
Comprehensive Airbag System & Tire Pressure Monitoring SystemÂ
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Whether navigating rugged trails, towing heavy loads, or cruising through city streets, the 2026 GMC Sierra 1500 AT4 Crew Cab Short Box delivers diesel-powered confidence, advanced innovation, and bold off-road character. It’s a truck engineered for those who expect strength beneath the surface and refinement in every detail, built to explore farther and accomplish more.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)11.0
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EnerGuide Estimate - Hwy (L/100 km)9.9
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G/km Of CO2 Emissions283
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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)8800
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Wt Distributing Hitch - Max Tongue Wt. (lbs)880
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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 CodeQFV
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Rear Tire Order CodeQFV
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Spare Tire Order CodeQAQ
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Front Tire SizeLT265/60R20
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Rear Tire SizeLT265/60R20
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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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* 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 2026 GMC Sierra 1500 AT4 may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
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