Vehicle Details
Body Style
Truck
Engine
3.0L 6Cyl
Exterior Colour
Silver
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock #
302361
Trim Details
Crew Cab Short Box 4-Wheel Drive AT4
The 2026 GMC Sierra 1500 AT4 delivers rugged capability, premium craftsmanship, and smart technology wrapped in unmistakable off-road attitude. With its bold stance, signature AT4 accents, and advanced diesel efficiency, this Crew Cab Short Box 4WD pickup is engineered for drivers who expect professional-grade performance on every trail and every highway.Â
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Performance & CapabilityÂ
Engine: 3.0L Duramax Turbo-Diesel delivering smooth torque, long-haul efficiency, and confident off-road powerÂ
Transmission: 10-speed automatic with electronic precision shift for responsive, seamless controlÂ
Drivetrain: Autotrac 4WD with two-speed transfer case for adaptable traction in changing terrainÂ
Axle Ratio: 3.23 rear axle optimized for balanced capability and everyday drivabilityÂ
Off-Road Engineering: AT4 Off-Road Suspension Package with skid plates, hill descent control, and increased ground clearanceÂ
Differential: Automatic locking rear differential for improved traction on uneven or slippery surfacesÂ
Trailering Strength: Integrated trailer brake controller, hitch guidance with Hitch View, and full trailering app integrationÂ
Durability Enhancements: Heavy-duty air filter, high-capacity alternator, dual exhaust, and reinforced heating/defroster systemÂ
Drive Modes: FlexRide mode system adjusts steering, throttle, and traction characteristics on demandÂ
Worksite Utility: 120V outlets in the bed and cabin, LED cargo bed lighting, and a steel pickup box with spray-on bedlinerÂ
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Winter & Weather ComfortÂ
Heated Front Seats & Heated 2nd-Row Outboard Seats for full-cabin comfort in cold climatesÂ
Heated Steering Wheel for warmth on freezing startsÂ
Remote Vehicle Start with rear window defogger for pre-conditioned comfortÂ
Dual-Zone Automatic Climate Control with moisture and temperature sensorsÂ
Engine Block Heater for reliable cold-weather startsÂ
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Interior Comfort & ConvenienceÂ
Front Bucket Seats with 10-way power driver seat and power passenger seatÂ
Memory Settings for mirrors and driver personalizationsÂ
Power Sliding Rear Window and Rear Seat Storage Package for added versatilityÂ
Premium Jet Black/Kalahari Interior with floor liners featuring removable carpet insertsÂ
Power Windows (Express Up/Down) for both driver and passenger convenienceÂ
Technology:Â
13.4" GMC Premium Infotainment System with Google Built-InÂ
12" reconfigurable digital driver displayÂ
15" multicolor Head-Up Display for at-a-glance informationÂ
Wireless Apple CarPlay® & Android Autoâ„¢Â
Wireless charging pad and multiple USB ports, including rear charge-only portsÂ
Bose Premium Audio System for rich, immersive soundÂ
Power Tilt/Telescopic Steering Column with wrapped steering wheelÂ
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Safety & Driver AssistanceÂ
GMC Pro Safety & AT4 Preferred Safety EnhancementsÂ
Forward Collision Alert, Automatic Emergency Braking, and Front Pedestrian BrakingÂ
Rear Cross Traffic Braking and Trailer Side Blind Zone Alert for safer towingÂ
Lane Keep Assist with Lane Departure Warning and Following Distance IndicatorÂ
HD Surround Vision, Bed View Camera, and Rear Camera Mirror for enhanced awarenessÂ
Front & Rear Park Assist and Rear Pedestrian AlertÂ
Adaptive Cruise Control for highway easeÂ
Teen Driver Mode, Buckle to Drive, and seat belt warning systemsÂ
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Exterior Styling & UtilityÂ
Exterior Color: Sterling Metallic — rugged, modern, and premium in appearanceÂ
Wheels & Tires: 20" machined aluminum wheels with Carbon Grey accents paired with 275/60R20 all-terrain tiresÂ
Lighting: LED headlamps, LED fog lamps, perimeter lighting, and task lighting for trailering mirrorsÂ
Off-Road Presence: Red front recovery hooks, AT4 badging, and high-clearance off-road steps (dealer installed)Â
GMC MultiPro Tailgate with step access, load stop, and work surface functionalityÂ
EZ Lift Power Lock & Release Tailgate for easier operationÂ
Spray-On Bedliner and durable steel bed for long-term protectionÂ
Sunroof for an open, elevated driving experienceÂ
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The 2026 GMC Sierra 1500 AT4 blends rugged capability with upscale comfort, making it equally at home on mountain trails, weekend adventures, or daily commutes. With diesel torque, premium tech, and a purpose-built off-road design, it’s crafted for drivers who refuse to compromise between refinement and real-world strength.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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Bumper, rear body-colour with corner steps
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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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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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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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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)2846
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Curb Weight - Rear (lbs)1982
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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)13.5 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.