Vehicle Details
Body Style
Truck
Engine
3.0L 6Cyl
Exterior Colour
Black
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock #
302385
Trim Details
Crew Cab Short Box 4-Wheel Drive AT4X
The 2026 GMC Sierra 1500 AT4X elevates off-road mastery with premium craftsmanship, hardcore capability, and luxurious comfort. Built for those who refuse to choose between rugged adventure and refined driving, the AT4X blends advanced off-road engineering with upscale interior amenities and cutting-edge technology — making it the ultimate all-terrain luxury pickup.Â
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Performance & CapabilityÂ
Engine: 3.0L Duramax Turbo-Diesel delivering smooth low-end torque and exceptional efficiencyÂ
Transmission: Advanced 10-speed automatic with Electronic Precision ShiftÂ
Drivetrain: Autotrac 4-Wheel Drive (4WD) with a two-speed transfer case for confident control on any terrainÂ
Suspension: AT4X Off-Road Suspension Package optimized for articulation, durability, and high-speed off-road stabilityÂ
Front & Rear Driver-Selectable Locking Differentials for maximum traction in extreme off-road conditionsÂ
Axle Ratio: 3.23 for balanced pulling power and highway economyÂ
AEV High-Approach Front Bumper with heavy-duty cast recovery points for enhanced approach anglesÂ
Skid Plates shielding underbody components from rocks, ruts, and trail obstaclesÂ
Hill Descent Control for confident downhill maneuveringÂ
Trailering Package: Integrated trailer brake controller, Hitch Guidance with Hitch View, trailer camera provisions, and a dedicated trailering appÂ
Dual Exhaust System for a bold and refined sound profileÂ
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Winter & Weather ComfortÂ
Heated & Ventilated Front Seats providing optimal comfort in all seasonsÂ
Heated Rear Outboard Seats keeping passengers warm on cold-weather adventuresÂ
Heated Steering Wheel for added winter driving comfortÂ
Remote Vehicle Start to pre-warm or pre-cool the cabinÂ
Dual-Zone Automatic Climate Control with advanced moisture and temperature sensorsÂ
Reinforced Electric Heater & Rear Window Defogger for fast, reliable visibilityÂ
Engine Block Heater for dependable cold-weather startsÂ
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Interior Comfort & ConvenienceÂ
Front Bucket Seats with power adjustability, lumbar support, and massage functionalityÂ
Premium Interior Design featuring Obsidian Rush accents and durable high-grade materialsÂ
Power Sliding Rear Window and Rear Seat Storage Package for added versatilityÂ
Wireless Charging Pad, multiple USB ports, and 120V outlets for seamless device supportÂ
Keyless Open & Push-Button Start for effortless accessÂ
Wireless Apple CarPlay® & Android Autoâ„¢ with crisp infotainment integrationÂ
13.4" GMC Premium Infotainment Touchscreen with Google Built-In and NavigationÂ
12" Reconfigurable Digital Driver Display providing customizable real-time informationÂ
15" Multicolor Head-Up Display projecting key data within your line of sightÂ
Bose® Premium Audio System delivering powerful, immersive soundÂ
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Safety & Driver AssistanceÂ
GMC Pro Safety Suite for added driver confidenceÂ
Automatic Emergency Braking & Forward Collision AlertÂ
Lane Keep Assist with Lane Departure WarningÂ
Rear Cross Traffic Braking & Trailer Side Blind Zone AlertÂ
Front & Rear Park Assist with Following Distance IndicatorÂ
Front and Rear Pedestrian Alerts for enhanced awarenessÂ
HD Surround Vision & Bed View Camera offering complete exterior visibilityÂ
Teen Driver Mode & Buckle-to-Drive for responsible driving supportÂ
Driver’s Safety Alert Seat providing tactile hazard warningsÂ
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Exterior Styling & UtilityÂ
Exterior Colour: Onyx Black for a bold, premium off-road presenceÂ
18" Off-Road Painted Aluminum Wheels wrapped in all-terrain LT tiresÂ
Signature LED Headlamps, Fog Lamps, and Cargo Bed Lighting for superior visibilityÂ
GMC MultiPro Tailgate with configurable functionality for loading, access, or workstation useÂ
Spray-On Bedliner and 120V Bed-Mounted Power Outlet for rugged worksite capabilityÂ
Off-Road High-Clearance Steps for easy cabin access on uneven terrainÂ
Perimeter Lighting providing improved visibility when setting up camp or working after darkÂ
Durable Steel Bed Construction for long-lasting utility and payload strengthÂ
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Whether tackling technical trails, hauling gear to the worksite, or cruising with premium comfort, the 2026 GMC Sierra 1500 AT4X delivers elite off-road performance and refined luxury in equal measure. It’s built for adventurers who demand capability without compromise.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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Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) Gloss Black painted full-size, spare Aluminum
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Wheelhouse liners, rear
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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
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Generic Sun/Moonroof
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Sun/Moonroof
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Front Bumper, AEV Stamped-steel high approach Front Bumper with heavy duty cast recovery points
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Bumper, rear body-colour with corner steps (Bumper colour is High Gloss Black on AT4X.)
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CornerStep, rear bumper (Not included with (ULV) AT4X AEV Edition.)
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Grille (Gloss Black header with Dark Nickel 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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Rear Defrost
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Sliding Rear Window
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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 (Gloss Black with (ULV) AT4X AEV Edition.)
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Bed Liner
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Premium Sound System
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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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Seat-Massage
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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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Leather Steering Wheel
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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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Heads-Up 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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Universal Garage Door Opener
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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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Back-Up Camera
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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, 7300 lbs. (3311 kg) (Requires (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) (Includes Terrain mode.)
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Suspension, Off Road with 2" factory installed lift and Multimatic DSSV dampers (Not available with 22" LPO wheels and tires.)
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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 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 Accessories
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Trailer brake controller, integrated
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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 (No exposed chrome tips in bumper. Only available with (LZ0) Duramax 3.0L Turbo-Diesel I6 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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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.)
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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
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)3950
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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)7300
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Gross Combined Wt Rating (lbs)15000
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EnerGuide Estimate - City (L/100 km)12.2
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EnerGuide Estimate - Hwy (L/100 km)12.0
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G/km Of CO2 Emissions326
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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)8500
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Wt Distributing Hitch - Max Tongue Wt. (lbs)850
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)5200
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)1300
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Maximum Trailering Capacity (lbs)8700
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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)3950
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Spring Capacity - Rear (lbs)3850
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Axle Capacity - Front (lbs)3950
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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 CodeQFL
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Rear Tire Order CodeQFL
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Spare Tire Order CodeRHF
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Front Tire SizeLT275/70R18
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Rear Tire SizeLT275/70R18
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Spare Tire SizeLT275/70R18
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Front Tire Capacity (lbs)3800
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Rear Tire Capacity (lbs)4150
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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)18 x 8.5
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Rear Wheel Size (in)18 x 8.5
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Spare Wheel Size (in)18 x 8.5
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Spare Wheel MaterialAluminum
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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)233.96
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Width, Max w/o mirrors (in)81.23
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Height, Overall (in)78.65
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Ground Clearance, Front (in)11.5
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Ground Clearance, Rear (in)11.5
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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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