2026 GMC Sierra 2500HD AT4X $136,153
Built tough and ready to explore, our diesel-powered 2026 GMC Sierra 2500HD AT4X Crew Cab 4X4 AEV Edition is a terrific trail machine made for hard work in Onyx Black! Motivated by a TurboCharged 6.6 Litre DuraMax Diesel V8 offering 470hp and 975lb-ft of torque to a 10 Speed Allison Automatic transmission. This Four Wheel Drive truck can also bring its bold capability off the beaten path with an off-road suspension, a 2-inch lift kit, a full-locking rear diff, and Multimatic DSSV dampers. Our Sierra turns heads with animated LED headlamps, power assist steps, a power sunroof, a spray-on bedliner, 18-inch black wheels, and a MultiPro tailgate with a built-in sound system.
Prepare for comfort in our AT4X cabin, equipped with heated/ventilated full-grain leather power front seats and heated rear seats, a heated leather steering wheel, dual-zone automatic climate control, keyless access/ignition, remote start, and a power rear window. Enjoy high-tech infotainment with a 12.3-inch driver display, a 13.4-inch touchscreen, 12-speaker Bose audio, Google Built-in, WiFi compatibility, Apple CarPlay®/Android Auto®, Bluetooth®, and wireless charging.
GMC helps you stay safe with a surround-view system, a bed-view camera, trailer blind-spot monitoring, automatic braking, parking sensors, lane-departure warning, trailer-sway control, hill-start assistance, and more. When tough jobs call, our Sierra 2500HD AT4X is the answer! Save this Page and Call for Availability. We Know You Will Enjoy Your Dueck on Marine Test Drive Towards Ownership! Dueck on Marine is located at 400 S.E. Marine Drive in Vancouver BC. We look forward to helping you trade-in your old car or SUV, helping you find your next new or used vehicle and then helping you complete the purchase with the financing and purchase option that is best for you. Dealer #8430. Taxes and $795 Administration fee excluded in prices.
While every reasonable effort has been made to ensure the accuracy of the details and pricing on this website, errors may occur. Please contact the dealership to confirm all information and pricing.
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At4X Preferred Equipment Group • 4SGincludes standard equipment
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Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible • L5P(470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
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Transmission, 10-Speed Automatic • MGM
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Gvwr, 11,350 Lbs. (5148 Kg) • JGL
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Rear Axle, 3.42 Ratio • GU6
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Wheels, 18" (45.7 Cm) Aev Black Gloss Aluminum Wheels • RBJwith Laser Etching and AEV branded centre cap
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Onyx Black • GBA
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Seats, Front Bucket • A50with centre console
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Obsidian Rush, Full Grain Leather Seat Trim • H9J
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Audio System, 13.4" Diagonal Premium Gmc Infotainment System With Google Built In Apps Such As Navigation And Voice Assistance • IOKincludes colour touch-screen, multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones
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At4X Aev Edition • ULVIncludes (VHU) Front and (VQH) Rear AEV Stamped Steel bumpers with heavy duty cast recovery points, Gloss-black door handles and black tailgate accent, (RBJ) 18" AEV Salta Black Gloss Aluminum Wheels, (QNB) 18"x 9 spare wheel, (PZG) stamped steel front approach skid plate, (PZZ) stamped steel steering gear skid plate, (PZN) stamped steel transfer case skid plate, AEV Embroidered Headrest front only and (AAO) AEV Branded Floor liners, LPO
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Engine Block Heater • K05
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Alternator, 220 Amps • KW5
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Gooseneck / 5Th Wheel Prep Package -- Hitch Platform To Accept Gooseneck Or 5Th Wheel Hitch. • Z6AIncludes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
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Skid Plates, Protect Front Approach, Stamped Steel • PZG
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Skid Plates, Transfer Case, Stamped Steel • PZN
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Skid Plates, Steering Gear, Stamped Steel • PZZ
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Exhaust Brake • K40
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Wheel, Spare 18" (50.8 Cm) • QNB
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Bumper, Front, Aev Stamped Steel • VHUhigh approach with integrated heavy duty cast recovery points (winch capable)
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Bumper, Rear, Aev Stamped Steel • VQHwith Heavy-duty cast integrated recovery points
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Winter Grille Cover • BHP
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3 Years Sirius Xm • R6P
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Lpo, Aev Brand Floor Liners • AAO
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Air Conditioning
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Alloy Wheels
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Backup Camera
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Bluetooth Connection
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Cooled Seats
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Cruise Control
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Heads Up Display
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Heated Seats
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Keyless Entry
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Lane Assist
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Leather Seats
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Navigation System
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Parking Sensors
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Power Seats
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Power Windows
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Remote Start
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Running Boards
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Satellite Radio
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Smart Device Integration
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Sunroof / Moonroof
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Wi-Fi Hotspot
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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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WiFi Hotspot
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Aluminum Wheels
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Tires - Front All-Season
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Tires - Rear All-Season
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Conventional Spare Tire
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Wheel, Spare 18" (50.8 cm)
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Generic Sun/Moonroof
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Sun/Moonroof
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Bumper, front, body-colour lower (Bumper color will be High Gloss Black.)
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Bumper, rear body-colour with bumper CornerSteps (Bumper color will be High Gloss Black.)
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Power Retractable Running Boards
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Running Boards/Side Steps
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Bed Liner
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Bed Step, Black integrated on forward portion of bed on driver and passenger side
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CornerStep, rear bumper (Not available with (ULV) AT4X AEV Edition.)
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Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
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Wheelhouse liners, rear
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Mouldings, beltline, Black
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Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
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Daytime Running Lights
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Automatic Highbeams
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Fog Lamps
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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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Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
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Lamps, Smoked Amber roof marker, (LED)
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Heated Mirrors
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Integrated Turn Signal Mirrors
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Power Folding Mirrors
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Power Mirror(s)
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Privacy Glass
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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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Door handles, body-colour (With (ULV) AT4X AEV Edition door handles will be Gloss black.)
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Integrated Tailgate Step
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Tailgate and bed rail protection caps, top
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Bucket Seats
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Leather Seats
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Pass-Through Rear Seat
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Rear Bench Seat
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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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Cooled Front Seat(s)
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Heated Rear Seat(s)
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Mirror Memory
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Seat Memory
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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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Leather Steering Wheel
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Heated Steering Wheel
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Steering Wheel Audio Controls
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Adjustable Steering Wheel
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Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
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Heads-Up Display
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Rear Seat Reminder
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GMC Premium information Display- 13.4" diagonal Multicolour touch screen
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Exterior Temperature Display, located in radio display
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Compass, located in instrument cluster
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Power Windows
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Rear Defrost
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Sliding Rear Window
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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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Universal Garage Door Opener
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Wireless Charging
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Security System
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Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted 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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Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
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A/C
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Climate Control
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Multi-Zone A/C
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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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8 Cylinder Engine
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Gasoline Fuel
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10-Speed A/T
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A/T
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Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
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Running Boards/Side Steps
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GVWR, 11,025 lbs. (5001 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)
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Keyless Start
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Hill Descent Control
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Transfer case, two-speed active, electronic Autotrac with push button control
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Locking/Limited Slip Differential
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Four Wheel Drive
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Cooling, external engine oil cooler
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Cooling, auxiliary external transmission oil cooler
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Air filter, heavy-duty
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Air filtration monitoring
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Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
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Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
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Trailer brake controller, integrated
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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 (Includes trailer tire pressure monitoring alert when (PTT) trailer tire pressure monitor sensors are installed.)
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Tow Hooks
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Skid Plates, front aluminum
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Skid Plates, Transfer case, steel
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Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
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Suspension, Off-Road Includes, 1.5" suspension lift: front suspension lift composed of: Control Arms, Ball Joints, Knuckles, DSSV Dampers, rear suspension lift composed of spacer block and DSSV Dampers and Half shafts w/ revised joints, 3-stage Leaf springs from 3500
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Brake lining wear indicator
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Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
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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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Tow Hitch
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ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
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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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Rear Parking Aid
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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
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Trailer Camera Provisions and trailer viewing software
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Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
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Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
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Lane Departure Warning
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Cross-Traffic Alert
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Blind Spot Monitor
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Seat Belt Adjustable Guide Loops, front row only
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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) Sierra HD Pro Safety.)
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Safety Alert Seat
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Driver Restriction Features
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Tire Pressure Monitor
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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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Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
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Vehicle NameGMC Sierra 2500HD
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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 CodeMGM
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Trans Type10
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.54
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Second Gear Ratio (:1)2.87
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Third Gear Ratio (:1)2.06
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Fourth Gear Ratio (:1)1.72
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Fifth Gear Ratio (:1)1.48
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Sixth Gear Ratio (:1)1.26
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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)0.63
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Reverse Ratio (:1)4.54
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Clutch Size (in)N/A
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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)66.02
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Front Hip Room (in)61.18
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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)65.3
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Second Hip Room (in)60.24
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Curb Weight - Front (lbs)4023
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Curb Weight - Rear (lbs)2822
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Gross Vehicle Weight Rating Cap (lbs)11350
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Gross Combined Wt Rating (lbs)27500
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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)18400
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Wt Distributing Hitch - Max Tongue Wt. (lbs)1850
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)14800
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)3700
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Maximum Trailering Capacity (lbs)20000
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Engine Order CodeL5P
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Engine TypeTurbocharged Diesel V8
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Displacement6.6L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM470 @ 2800
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SAE Net Torque @ RPM975 @ 1600
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Cold Cranking Amps @ 0° F (Primary)720
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Maximum Alternator Capacity (amps)220
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Maximum Alternator WattsN/A
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Suspension Type - FrontShort/Long Arm
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Suspension Type - RearMulti-Leaf Springs
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Axle Ratio (:1) - Front3.42
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Axle Ratio (:1) - Rear3.42
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Shock Absorber Diameter - Front (mm)2.17
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Shock Absorber Diameter - Rear (mm)2.17
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Stabilizer Bar Diameter - Front (in)1.38
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Front Tire Order CodeQMG
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Rear Tire Order CodeQMG
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Spare Tire Order CodeQNZ
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Front Tire SizeLT305/70R18-126/123R
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Rear Tire SizeLT305/70R18-126/123R
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Spare Tire SizeLT305/70R18-126/123R
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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
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Rear Wheel Size (in)18
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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 MaterialSteel
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Steering TypePwr Recirculating Ball
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Turning Diameter - Curb to Curb (ft)51.8
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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)14 x 1.6
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Rear Brake Rotor Diam x Thickness (in)14.1 x 1.3
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Fuel Tank Capacity, Approx (L)136
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Wheelbase (in)159
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Length, Overall (in)252
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Width, Max w/o mirrors (in)81.85
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Height, Overall (in)82.68
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Cab to Axle (in)42.36
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Ground Clearance, Front (in)11.78
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Ground Clearance, Rear (in)11.78
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Cargo Box Length @ Floor (in)82.2
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Cargo Box Width @ Floor (in)71.4
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Cargo Box Width @ Wheelhousings (in)51.85
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Cargo Box (Area) Height (in)21
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Cargo Volume (ft³)69.5
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$3,000
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Body StyleTruck
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Engine6.6L
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Exterior ColourBlack
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TransmissionAutomatic
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Drivetrain4Ă—4
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Stock #26CK5854
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$3,000
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$3,000
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Body StyleTruck
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Engine6.6L
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Exterior ColourBlack
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TransmissionAutomatic
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Drivetrain4Ă—4
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Stock #26CK0485
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$3,000
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$3,000
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Body StyleTruck
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Engine6.6L
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Exterior ColourWhite
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TransmissionAutomatic
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Drivetrain4Ă—4
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Stock #26CK1373
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$3,000
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$3,000
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Body StyleTruck
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Engine6.6L
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Exterior ColourWhite
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TransmissionAutomatic
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Drivetrain4Ă—4
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Stock #26CK0377
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$3,000
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$3,000
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Body StyleTruck
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Engine6.6L
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Exterior ColourSilver
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TransmissionAutomatic
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Drivetrain4Ă—4
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Stock #26CK9972
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
Required packages: 5SB-$3,000
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Administration Fee (Not Included)$699
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Non-Stackable Cash Delivery Allowance (NSCDA) - CBG-$3,000Required packages: 4SGValid from 2025/12/02 - 2026/01/02
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Administration Fee (Not Included)$699
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Administration Fee (Not Included)$699
