Vehicle Details
Body Style
Truck
Engine
6.2L 8Cyl
Exterior Colour
Tan
Interior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock #
18-260144
Trim Details
Crew Cab Short Box 4-Wheel Drive AT4X
2026 GMC Sierra 1500 AT4X AEV Edition – Coastal Dune
The 2026 GMC Sierra 1500 AT4X takes premium off-road capability to an elite level — and with the AEV Edition, it becomes one of the most rugged, factory-engineered trucks on the market. Finished in the striking Coastal Dune, this AT4X combines handcrafted luxury with professional-grade off-road hardware built to conquer extreme terrain.
Power comes from the legendary 6.2L EcoTec3 V8, producing 420 hp and 460 lb-ft of torque with Dynamic Fuel Management for optimal power and efficiency. Paired with a 10-Speed Automatic Transmission with Electronic Precision Shift, the AT4X delivers confident control, seamless shifts, and exceptional towing performance.
Inside, the cabin surrounds you with high-end refinement, including Obsidian Rush Full-Grain Leather Seats, intricate stitching, premium finishes, and advanced digital displays throughout. The 13.4" GMC Premium Infotainment System with Google Built-In offers effortless navigation, wireless smartphone integration, and natural voice recognition.
Where the AT4X AEV Edition truly stands apart is in its advanced, expedition-ready hardware. American Expedition Vehicles (AEV) upgrades feature hot-stamped Boron steel skid plates, a stamped-steel rear bumper with recovery points, rocker protection, exclusive 18" AEV wheels, and branded touches throughout — delivering maximum durability and authentic adventure capability.
Whether you're navigating steep trails, rock crawling, towing, or simply enjoying the Sierra’s premium ride quality, the AT4X AEV Edition is engineered to push boundaries.
Key Features Include:
6.2L EcoTec3 V8 (420 hp / 460 lb-ft)
10-Speed Automatic Transmission with paddle shifters
AT4X AEV Edition: Boron steel skid plates, AEV bumpers, AEV wheels, rocker protection
18" High Gloss Black AEV Wheels with laser-etched detailing
Obsidian Rush Full-Grain Leather Interior
13.4" GMC Premium Infotainment with Google Built-In
Active Dual Exhaust (Sport Mode Enabled)
AEV All-Weather Floor Liners & Full-Size AEV Spare Wheel
Coastal Dune Exterior Paint
External Engine & Transmission Oil Coolers
170-Amp Alternator
This AT4X AEV Edition delivers luxury, capability, and durability at a level few trucks can match — purpose-built for those who demand the absolute best of both worlds.
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
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Rear Seat Reminder
No matches were found.
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Vehicle NameGMC Sierra 1500
-
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)2846
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Curb Weight - Rear (lbs)1982
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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
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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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* Plus HST & Licensing. Price includes: Dealer Admin Fee ($599), Etching ($299), Tire Protection ($199), Tire Duty ($22.50), and OMVIC fee ($22.00) 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.