2023 GMC Sierra 3500HD AT4 6.6L DURAMAX 8CYL | HEATED & VENTE...

The 2023 GMC Sierra 3500HD AT4 blends heavy-duty power and trail-ready capability with upscale refinement and comfort. With its aggressive styling, diesel torque, and premium features, this truck is built for those who demand performance on and off the road.Performance & CapabilityEngine: 6.6L Duramax Turbo-Diesel V8 pushing out 445 hp and 910 lb-ft of torqueTransmission: Allison 10-speed automatic transmission for seamless power deliveryDrivetrain: Advanced 4WD with Eaton automatic locking rear differentialTowing Power: Trailering capability of up to 20,000 lbs when properly equippedOff-Road Package: Off-road suspension, skid plates, and Rancho shocksDrive Modes: Integrated Traction Select System with Off-Road modeFirst-Class Interior Comfort & ConvenienceSeating: Premium leather-appointed front bucket seats with AT4 badgingFront Comfort: Heated and ventilated front seats for all-season luxurySteering Wheel: Heated leather-wrapped steering wheel with integrated controlsRear Comfort: Heated rear outboard seats for second-row passenger comfortCabin Quality: Contrast stitching, dark aluminum trim, and AT4-exclusive accentsInterior Storage: Dual gloveboxes, under-seat storage, and rear seatback compartmentsClimate Control: Dual-zone automatic climate control with rear air ventsTechnology & Infotainment ExcellenceInfotainment Display: 13.4" touchscreen with Google built-in, navigation, and voice commandDriver Cluster: 12.3" digital instrument cluster with customizable viewsConnectivity: Apple CarPlay & Android Auto, Bluetooth, and Wi-Fi hotspotCharging: Wireless charging pad plus multiple USB-C and USB-A portsSound System: Premium Bose sound system Exterior Presence & UtilityGrille: Bold AT4 signature grille with black chrome accentsLighting: LED headlamps, fog lamps, and signature C-shaped taillightsTailgate: MultiPro Tailgate with 6-function versatilityBed Functionality: Spray-on bedliner, 12 cargo tie-downs, and rear corner stepsBuilt for those who work hard and play harder, the 2023 GMC Sierra 3500HD AT4 6.6L Duramax delivers serious towing muscle, off-road confidence, and premium interior refinement. With heated and ventilated seats, bold design, and trail-ready features, it’s the ultimate heavy-duty truck for the adventurous professional.

AMVIC Licensed Dealer *Every reasonable effort is made to ensure the accuracy of the information shown. The Standard Equipment listed is provided at the time of the manufacture and may not match the exact vehicle displayed. Please confirm with a sales representative the accuracy of this information.

Engine: 8 Cylinder Engine 6.6L

Safety Equipment

• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
• Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag
• HD Rear Vision Camera
• Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behaviour. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
• Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
• Rear Seat Reminder
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• Hill Descent Control
• OnStar and GMC connected services capable (Terms and limitations apply. See onstar.ca or dealer for details.)
• Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
• Daytime Running Lamps LED signature lighting
• Seat Belt Adjustable Guide Loops front row only

Interior Equipment

• Seat adjuster, driver 10-way power including lumbar
• Seat adjuster, passenger 10-way power including lumbar
• Seating, heated driver and front outboard passenger
• Seats, ventilated driver and front passenger
• Seats, heated second row outboard seats
• Driver memory, recalls driver "presets" for power driver seat and outside mirrors
• Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
• Floor covering, colour-keyed carpeting
• Steering wheel, heated
• Steering wheel audio controls
• Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
• Exterior Temperature Display located in radio display
• Compass, located in instrument cluster
• Window, power front, drivers express up/down
• Window, power front, passenger express up/down
• Windows, power rear, express down
• Door locks, power
• Remote vehicle starter system
• Keyless Open and Start
• Theft-deterrent system, unauthorized entry
• Steering column, lock control, electrical
• Power outlet, front auxiliary, 12-volt
• Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• USB ports, 2 (first row) located on instrument panel
• USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack
• USB ports, dual, charge-only (2nd row)
• Power outlet, rear auxiliary, 12-volt
• Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
• Defogger, rear-window electric
• Mirror, inside rearview auto-dimming
• Air conditioning, dual-zone automatic climate control
• Cruise control, steering wheel-mounted
• Steering column, manual Tilt-Wheel and telescoping
• Steering wheel, wrapped
• GMC Connected Access capable (Subject to terms. See onstar.ca or dealer for details.)
• Air vents, rear
• Driver Information Centre, 4.2" diagonal colour display includes driver personalization
• Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
• Seats, front bucket with centre console
• Premium Floor Liners with removable carpet insert, front
• Premium Floor Liners with removable carpet insert, rear
• Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models includes full-length bench seat, seatback storage on left and right side, centre fold out armrest with 2 cupholders, full cab width underseat storage, (includes child seat top tether anchor)
• Seat trim, Perforated Front Leather seating surfaces
• 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.)

Exterior Equipment

• Single Rear Wheels
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• CornerStep, rear bumper
• Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
• Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger) lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm])
• Glass, deep-tinted
• Tailgate and bed rail protection caps, top
• Door handles, body-colour
• Mouldings, beltline, Black
• Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
• Mirror caps, high gloss Black
• Wheelhouse liners, rear
• Hood Insulator
• Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
• Fog lamps, LED
• Taillamps, LED signature taillight with LED stop and reverse light
• Bed Liner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo.)
• Bed Step, Black integrated on forward portion of bed on driver and passenger side
• Tire, spare LT275/70R18 all-terrain, blackwall
• Bumper, front, body-colour lower
• LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
• Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents
• Tires, LT275/70R18E all-terrain, blackwall
• Tailgate, GMC MultiPro Tailgate with six functional load/access features. NOTE: Auto release can be disabled if ball hitch is installed. See Owner's manual for details
• Bumper, rear body-colour, with bumper CornerSteps
• Grille, Painted Black surround with high gloss Black mesh and Black chrome inserts

Entertainment Equipment

• Bluetooth for phone connectivity to vehicle infotainment system
• Audio system feature, 6-speaker system,
• Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)
• SiriusXM
• Wireless Phone Projection for Apple CarPlay and Android Auto
• SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the Platinum Plan for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the Platinum Plan, you can also enjoy your favourites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM Customer Agreement at www.siriusxm.ca for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com/ca for details and limitations.)
• Audio system, Premium GMC Infotainment System with 8" diagonal colour touch-screen includes 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, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (Includes (PZ8) Hitch Guidance with hitch view.)

Mechanical Equipment

• Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)
• Air filtration monitoring
• Transfer case, two-speed active electronic Autotrac with push button control
• Four wheel drive
• Cooling, external engine oil cooler
• Cooling, auxiliary external transmission oil cooler
• 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.)
• Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
• Trailer brake controller, integrated
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Transmission, 6-speed automatic, heavy-duty
• Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• Pickup bed includes bed assist step
• Air filter, heavy-duty
• Auto-locking rear differential
• Recovery hooks, Red
• Skid Plates protect the oil pan, front axle and transfer case
• Suspension, Off-Road includes twin-tube shocks
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
• Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
• 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.)
• GVWR, 11,500 lbs. (5216 kg) with single rear wheels (Included and only available with model TK30943 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)

Other Equipment

• Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
• X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks