Vehicle Details
Body Style
Truck
Engine
6.2L 8Cyl
Exterior Colour
White
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
303707
Fuel Type
Gasoline
Trim Details
Crew Cab Short Box 4-Wheel Drive AT4X
Description
The 2026 GMC Sierra 1500 AT4X Crew Cab Short Box 4WD is the ultimate blend of premium luxury, serious off-road capability, and professional-grade power. Designed for drivers who demand uncompromising performance on rugged terrain without sacrificing comfort or technology, the AT4X stands out with bold styling, advanced trailering features, and refined craftsmanship throughout.Â
Performance & CapabilityÂ
Engine: Powerful 6.2L ECOTEC3 V8 delivering commanding horsepower and impressive torque Â
Transmission: Smooth-shifting 10-speed automatic transmission with Electronic Precision Shift technology Â
Drivetrain: Advanced Autotrac Two-Speed 4WD system for superior traction on challenging terrain Â
Suspension: Exclusive AT4X Off-Road Suspension Package engineered for exceptional control and off-road performance Â
Front & Rear Electronic Locking Differentials maximizing traction in extreme off-road conditions Â
Hill Descent Control providing added confidence on steep grades and rough trails Â
Active Exhaust System delivering a bold performance-inspired sound Â
Skid Plates and Heavy-Duty Air Filter enhancing off-road durability and protection Â
Rear Axle Ratio: 3.23 rear axle balancing towing capability with smooth highway driving Â
Trailering Package including integrated trailer brake controller, Hitch Guidance with Hitch View, and Trailering App Â
Trailer Camera Provisions and Trailer Side Blind Zone Alert enhancing towing confidence Â
Bed View Camera and HD Surround Vision providing improved visibility around the truck Â
120-Volt Bed & Interior Power Outlets adding practical utility for work or recreation Â
Heavy-duty cooling systems including engine oil and transmission oil coolers for enhanced durability Â
Off-Road ReadinessÂ
AEV Stamped-Steel High-Approach Front Bumper with heavy-duty recovery points for extreme terrain capability Â
Off-Road High Clearance Assist Steps improving accessibility while maintaining trail clearance Â
All-Terrain Tires mounted on 18" Painted Aluminum Wheels for rugged performance Â
MultiPro Tailgate offering versatile loading, step access, and worksite functionality Â
Spray-On Bedliner protecting the cargo box from scratches and wear Â
Rear Wheelhouse Liners adding extra durability against mud, gravel, and debris Â
LED Cargo Bed Lighting improving visibility during nighttime loading and unloading Â
Winter & Weather ComfortÂ
Heated & Ventilated Front Seats delivering year-round comfort in all climates Â
Heated Rear Outboard Seats adding luxury for second-row passengers Â
Heated Steering Wheel for added cold-weather comfort Â
Remote Start System allowing the cabin to warm up or cool down before entry Â
Dual-Zone Automatic Climate Control maintaining personalized cabin temperaturesÂ
Engine Block Heater ensuring dependable cold-weather starts Â
Rain-Sensing Windshield Wipers automatically adjusting to changing weather conditions Â
Deep-Tinted Glass enhancing privacy and cabin comfort Â
Interior Comfort & TechnologyÂ
Premium AT4X Interior with Jet Black and Ceramic White accents creating a bold upscale atmosphere Â
Front Bucket Seats with Power Driver & Passenger Adjustments and Memory Settings Â
Driver & Front Passenger Massage Seats for first-class long-distance comfort Â
Power Adjustable Bolsters and Lumbar Support for personalized seating comfort Â
Power Sunroof bringing natural light and an open-air feel into the cabin Â
Wireless Charging Pad and multiple USB ports for convenient device connectivity Â
Keyless Open & Push-Button Start for effortless access and ignition Â
Wireless Apple CarPlay® & Android Autoâ„¢ integration for seamless smartphone connectivity Â
13.4" GMC Premium Infotainment Touchscreen with Google Built-In compatibility and navigation capability Â
12" Digital Driver Information Centre with customizable vehicle data display Â
Multicolor 15" Head-Up Display projecting key information directly into the driver’s view Â
Bose® Premium Audio System delivering immersive sound quality throughout the cabin Â
Rear Camera Mirror providing a clearer and wider rearward view Â
Power Sliding Rear Window and Rear Seat Storage Package enhancing practicality and convenience Â
Safety & Driver AssistanceÂ
GMC Pro Safety Suite providing advanced driver-assistance technology Â
Forward Collision Alert with Automatic Emergency Braking for added peace of mind Â
Front Pedestrian Braking helping improve awareness in urban driving conditions Â
Lane Keep Assist with Lane Departure Warning supporting confident highway drivingÂ
Adaptive Cruise Control enhancing comfort on long-distance trips Â
Front & Rear Park Assist simplifying parking and maneuvering Â
Rear Cross Traffic Braking and Rear Pedestrian Alert increasing reversing awarenessÂ
HD Surround Vision delivering a comprehensive 360-degree camera perspective Â
Following Distance Indicator and Driver Safety Alert Seat improving driver awareness Â
IntelliBeam Automatic High Beams optimizing nighttime visibility Â
Teen Driver Technology and Buckle-to-Drive adding family-focused safety confidence Â
Theft-Deterrent System and Tire Pressure Monitoring System enhancing vehicle security and maintenance awareness Â
• Exterior Styling & PresenceÂ
Exterior Colour: Summit White — clean, bold, and unmistakably premium Â
Aggressive AT4X Styling with unique badging and rugged off-road design cues Â
Signature LED Lighting and Front LED Fog Lamps improving visibility and modern styling Â
High-Approach Front Bumper and muscular body design creating a commanding road presence Â
Off-road-inspired stance paired with premium detailing for a refined yet capable appearance Â
Perimeter Lighting adding confidence and convenience in low-light environments Â
Whether you’re navigating rocky trails, towing your gear to the lake, or cruising comfortably through the city, the 2026 GMC Sierra 1500 AT4X delivers uncompromising capability, premium luxury, and cutting-edge technology. It’s the ultimate off-road luxury truck; engineered for drivers who demand adventure without limits.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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Automatic Stop/Start
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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
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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 CodeMHS
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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)39.88
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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)2845
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Curb Weight - Rear (lbs)1981
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Gross Vehicle Weight Rating Cap (lbs)7100
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Gross Combined Wt Rating (lbs)15000
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EnerGuide Estimate - City (L/100 km)17.1
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EnerGuide Estimate - Hwy (L/100 km)14.7
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G/km Of CO2 Emissions377
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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)5000
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)1250
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Maximum Trailering Capacity (lbs)8700
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Engine TypeGas V8
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Fuel SystemDirect Injection
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Engine Order CodeL87
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Displacement6.2L/376
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SAE Net Horsepower @ RPM420 @ 5600
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SAE Net Torque @ RPM460 @ 4100
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Engine Oil CoolerYes
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Cold Cranking Amps @ 0° F (Primary)730
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Maximum Alternator Capacity (amps)170
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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)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)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 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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* 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 AT4X may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
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