The 2022 GMC Sierra 3500HD AT4 Crew Cab 4WD is built for those who demand uncompromising power, premium comfort, and off-road capability in one rugged package. Combining the legendary Duramax diesel engine, advanced trailering technology, and exclusive AT4 styling, this heavy-duty pickup is equally at home on the jobsite, towing massive loads, or exploring beyond the pavement. With luxurious appointments and professional-grade capability, the Sierra 3500HD AT4 delivers confidence wherever the road, or trail, takes you.
Performance & Capability
Engine: Duramax® 6.6L V8 Turbo-Diesel delivering exceptional torque and heavy-duty towing capability
Transmission: Allison® 10-Speed Automatic Transmission engineered for smooth, intelligent shifting under load
Drivetrain: Autotrac® Two-Speed 4WD Transfer Case for confident traction in challenging conditions
Rear Axle Ratio: 3.42 rear axle optimized for towing strength and highway efficiency
Off-Road Suspension Package tuned for enhanced control on rough terrain
Automatic Locking Rear Differential maximizing traction when conditions demand it
Hill Descent Control for greater confidence on steep grades
Skid Plates helping protect critical underbody components during off-road adventures
Heavy-Duty Transmission Oil Cooler and Engine Oil Cooling System for sustained performance
Integrated Exhaust Brake enhancing control while towing or descending steep hills
Advanced Trailering System with in-vehicle trailer management features
Gooseneck / 5th-Wheel Prep Package with factory-installed provisions for serious towing capability
Integrated Trailer Brake Controller and Trailering Assist Guidelines
Hitch Guidance with Hitch View for easier trailer hookup
Winter & Weather Comfort
Heated and Ventilated Front Seats providing year-round comfort
Heated Rear Outboard Seats for second-row passenger convenience
Heated Steering Wheel for cold-weather driving comfort
Remote Vehicle Start allowing the cabin to warm up before departure
Tri-Zone Automatic Climate Control for personalized comfort throughout the cabin
Engine Block Heater for reliable cold-weather starts
Heated Power-Adjustable Trailering Mirrors with Auto-Dimming Function
Rear Window Defroster improving visibility in winter conditions
Winter Grille Cover helping maintain optimal engine temperatures in colder climates
Interior Comfort & Convenience
Front Bucket Seats with Premium AT4 Interior Design and Kalahari Accents
10-Way Power Driver Seat and 8-Way Power Front Passenger Seat
Driver Memory Settings for seat and mirror preferences
Power Sliding Rear Window for added ventilation and convenience
Rear Seat Storage Package maximizing interior utility
Leather-Wrapped Steering Wheel for a premium feel
Keyless Open and Push-Button Start for effortless entry and operation
Wireless Charging Pad for compatible mobile devices
Multiple USB Ports and Auxiliary Power Outlets throughout the cabin
120V Instrument Panel Power Outlet and Bed-Mounted 120V Power Outlet
Power Sunroof providing an open-air driving experience
Premium Floor Liners helping protect the interior year-round
Spacious Crew Cab configuration offering generous room for passengers and gear
Technology & Connectivity
GMC Premium Infotainment System with Navigation
Wireless Apple CarPlay® and Wireless Android Auto™ Compatibility
Bluetooth® Audio Streaming and Voice Recognition Technology
Bose® Premium Audio System delivering rich, immersive sound
Enhanced Digital Driver Information Centre with customizable displays
Head-Up Display projecting key driving information onto the windshield
Rear Camera Mirror providing an expanded rearward view
Wi-Fi Hotspot Capability for connectivity on the go
Universal Home Remote for added convenience
Safety & Driver Assistance
Forward Collision Alert with Automatic Emergency Braking
Lane Departure Warning helping maintain lane awareness
Lane Change Alert with Side Blind Zone Alert
Rear Cross Traffic Alert for enhanced confidence while reversing
HD Surround Vision with Trailer Camera Provisions
Bed View Camera simplifying cargo and trailer monitoring
Following Distance Indicator for improved awareness
Safety Alert Seat providing directional warning feedback
Front and Rear Park Assist
IntelliBeam® Automatic High-Beam Headlamps
Teen Driver Technology promoting responsible driving habits
Tire Pressure Monitoring System and Comprehensive Airbag Protection
Exterior Styling & Utility
AT4 Exclusive Exterior Styling with aggressive off-road character
Exterior Colour: Pacific Blue Metallic — bold, distinctive, and premium
20-Inch Machined Aluminum Wheels with High-Gloss Black Accents
All-Terrain Tires designed for capability on and off the road
Signature LED Headlamps and LED Front Fog Lamps
LED Roof Marker Lamps enhancing visibility and presence
LED Cargo Box Lighting for improved nighttime functionality
GMC MultiPro Tailgate offering multiple loading and access configurations
Spray-On Bedliner providing durable cargo box protection
Power Retractable Assist Steps with Perimeter Lighting
Red Front Recovery Hooks emphasizing AT4 off-road capability
Rear Wheelhouse Liners helping protect the cargo box from debris
Deep-Tinted Rear Glass adding privacy and style
Whether you're hauling heavy equipment, towing a large fifth-wheel trailer, or venturing off the beaten path, the 2022 GMC Sierra 3500HD AT4 delivers relentless diesel power, premium technology, and rugged capability without compromise. It's a heavy-duty truck built for those who demand professional-grade performance with luxury, confidence, and unmistakable AT4 attitude.
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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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Smart Device Integration
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Requires Subscription
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Satellite Radio
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Audio system feature, 6-speaker system
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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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Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
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Bumper, front, body-colour lower
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Bumper, rear body-colour, with bumper CornerSteps
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CornerStep, rear bumper
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Bed Step, Black integrated on forward portion of bed on driver and passenger side
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Mouldings, beltline, Black
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Wheelhouse liners, rear (Certain vehicles built prior to 3-21-2022 and after 4-7-2022 will include rear wheelhouse liners. Certain vehicles built on 3-21-2022 thru 4-7-2022 will be forced to include (RFZ) Not Equipped with Rear Wheelhouse liners, which removes Rear Wheelhouse liners. See dealer for details or the window label for the features on a specific vehicle.)
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Bed Liner
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Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
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Grille, Painted Black surround with high gloss Black mesh and Black chrome inserts
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Daytime Running Lights
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Fog Lamps
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Taillamps, LED signature taillight with LED stop and reverse light
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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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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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Door handles, body-colour
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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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WiFi Hotspot
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Leather Seats
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Driver Adjustable Lumbar
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Power Driver Seat
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Passenger Adjustable Lumbar
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Power Passenger Seat
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Pass-Through Rear Seat
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Rear Bench Seat
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Heated Front Seat(s)
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Cooled Front 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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Adjustable Steering Wheel
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Steering Wheel Audio Controls
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Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
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Driver Information Centre, 4.2" diagonal colour display includes driver personalization
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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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Exterior Temperature Display located in radio display
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Compass, located in instrument cluster
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Window, power front, drivers express up/down
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Power Windows
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Power Door Locks
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Remote Engine Start
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Keyless Entry
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Keyless Start
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Cruise Control
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Security System
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Steering column, lock control, electrical
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Power Outlet
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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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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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Air vents, rear
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Rear Defrost
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Auto-Dimming Rearview Mirror
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Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
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GMC Connected Access capable (Subject to terms. See onstar.ca or dealer for details.)
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8 Cylinder Engine
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Gasoline Fuel
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6-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, 11,350 lbs. (5148 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
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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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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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Tow Hooks
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Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
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Skid Plates protect the oil pan, front axle and transfer case
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Suspension, Off-Road includes twin-tube shocks
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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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X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
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Tow Hitch
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ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
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Stability Control
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Traction Control
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Hill Descent 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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Back-Up Camera
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Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
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Rear Seat Reminder
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Driver Restriction Features
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Tire Pressure Monitor
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Vehicle NameGMC Sierra 3500HD
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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 CodeMYD
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Trans Type6
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Trans Description Cont.Automatic
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First Gear Ratio (:1)4.03
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Second Gear Ratio (:1)2.36
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Third Gear Ratio (:1)1.53
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Fourth Gear Ratio (:1)1.15
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Fifth Gear Ratio (:1)0.85
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Sixth Gear Ratio (:1)0.67
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Reverse Ratio (:1)3.06
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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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Gross Axle Wt Rating - Front (lbs)4800
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Gross Axle Wt Rating - Rear (lbs)7250
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Curb Weight - Front (lbs)3851
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Curb Weight - Rear (lbs)2915
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Gross Vehicle Weight Rating Cap (lbs)11350
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Gross Combined Wt Rating (lbs)24000
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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)14500
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Wt Distributing Hitch - Max Tongue Wt. (lbs)1450
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Fifth Wheel Hitch - Max Trailer Wt. (lbs)16230
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Fifth Wheel Hitch - Max Tongue Wt. (lbs)4057
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Maximum Trailering Capacity (lbs)20000
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Engine Order CodeL8T
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Engine TypeGas V8
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Displacement6.6L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM401 @ 5200
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SAE Net Torque @ RPM464 @ 4000
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Engine Oil CoolerYes
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Cold Cranking Amps @ 0° F (Primary)720
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Maximum Alternator Capacity (amps)170
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Frame TypeHydroformed
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Suspension Type - FrontShort/Long Arm w/Torsion Bars
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Suspension Type - Rear3-Stage Multi-Leaf
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Axle Type - FrontIndependent
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Axle Ratio (:1) - Front3.73
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Axle Ratio (:1) - Rear3.73
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Shock Absorber Diameter - Front (mm)51
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Shock Absorber Diameter - Rear (mm)51
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Stabilizer Bar Diameter - Front (in)1.38
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Front Tire Order CodeQF6
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Rear Tire Order CodeQF6
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Spare Tire Order CodeZYG
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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 Wheel Size (in)18 x 8
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Rear Wheel Size (in)18 x 8
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Spare Wheel Size (in)18 x 8
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Spare Wheel MaterialSteel
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Steering TypePwr Recirculating Ball
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Steering Ratio (:1), At LockN/A
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Turning Diameter - Curb to Curb (ft)52.7
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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)158.94
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Length, Overall (in)250.08
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Width, Max w/o mirrors (in)81.85
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Height, Overall (in)80.87
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Cab to Axle (in)42.1
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Ground Clearance, Front (in)11.18
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Ground Clearance, Rear (in)11.18
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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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