Built for serious work and long days on the job, the brand new 2026 GMC Sierra 3500 4wd Crew Cab 172 delivers heavy-duty strength with a clean White exterior, a practical Tin interior, and the confidence of four-wheel drive. Offered by Wallace Chevrolet Cadillac Buick GMC in Milton, this four-door truck pairs a roomy crew cab layout with dual rear wheels and installed steps for easier daily access.

FEATURES OF THE Sierra 3500 4wd Crew Cab 172

»» Crew Cab supports spacious passenger room
»» Long wheelbase supports stable heavy hauling
»» Four-wheel drive adds all-season traction
»» Automatic transmission helps smooth power delivery

TRUCK FEATURES

»» Dual rear wheels support heavier loads
»» Steps help easier cab entry daily
»» Crew cab adds work and family versatility
»» Heavy-duty design suits demanding job sites

ADVANCED SAFETY FEATURES

»» Four-wheel drive aids slippery road control
»» Large cabin design supports clear visibility
»» Heavy-duty build adds solid road presence
»» Automatic transmission helps steady low-speed manoeuvres

PERFORMANCE AND EFFICIENCY

»» Heavy-duty capability for tough daily tasks
»» Automatic transmission supports smooth power delivery
»» Four-wheel drive boosts traction on loose surfaces
»» Dual rear wheels improve loaded stability

COMFORT AND CONVENIENCE

»» Four doors allow easy cabin access
»» Crew cab offers generous passenger space
»» Steps simplify entry and exit
»» Practical interior supports long workdays

TECHNOLOGY AND CONNECTIVITY

»» Driver-focused layout keeps controls close
»» Clear instrument view supports daily driving
»» Automatic transmission reduces driving effort
»» Modern truck design supports usability

CARGO SPACE

»» Long chassis supports serious work capability
»» Dual rear wheels aid payload confidence
»» Spacious cab leaves room for gear
»» Truck bed supports tools and materials

WHAT OTHER OWNERS LIKE

»» Strong heavy-duty capability for demanding jobs
»» Crew cab space for passengers
»» Four-wheel drive confidence in poor weather
»» Dual rear wheel stability under load

The 2026 GMC Sierra 3500 4wd Crew Cab 172 is made for drivers who need a truck that feels ready from day one. Its brand new condition means fresh capability, clean presentation, and the assurance of owning a heavy-duty pickup prepared for commercial use, towing duties, and demanding personal projects.

The White exterior gives this truck a clean, professional look that fits well at a job site, in a fleet, or at home. Inside, the Tin interior keeps the cabin practical and refined. With four full doors and the crew cab layout, passengers get easy access and useful space for both work and daily travel.

Dual rear wheels are a key advantage for buyers who need added confidence with heavy loads and more planted road manners. The installed steps also make a real difference every day, helping drivers and passengers get in and out with less effort. Combined with four-wheel drive, this truck is equipped for changing road and weather conditions across Ontario.

If you need a brand new heavy-duty pickup from Wallace Chevrolet Cadillac Buick GMC in Milton, this 2026 GMC Sierra 3500 4wd Crew Cab 172 delivers proven GMC truck presence, practical comfort, and work-ready strength in one focused package.

This 2026 GMC Sierra 3500 4wd Crew Cab 172s VIN is: 1GT4UYEY5TF302310 .

Engine: 8 Cylinder Engine 6.6L
Safety EquipmentStabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assistAirbags, 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 airbagFront and Rear Park Assist, ultrasonicRear Cross Traffic AlertTeen 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 driverRear Seat ReminderHitch Guidance dynamic single line to aid in truck trailer alignment for hitchingSafety Alert SeatTrailer Side Blind Zone AlertTire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/TiltFront Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)LED Signature DRL'sHD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a centre stack display. Includes front camera washer.Trailer Camera Provisions and trailer viewing softwareForward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)Seat Belt Adjustable Guide Loops, front row onlyRear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)OnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)Daytime Running Lamps LED signature lightingHill Descent Control (Not available with dual rear wheels.)Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera ProvisionsTrailer 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 AccessoriesBuckle 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)OnStar Basics (OnStar Fleet Basics for Fleet) Drive more confidently with up to 8 years of core OnStar services including mobile app commands, connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic, and Automatic Crash Response. (Requires (UE1) OnStar. OnStar Basics includes access to remote commands through your vehicle's mobile app (compatible smartphone required); Automatic Crash Response (not all vehicles may transmit all crash data; OnStar links to emergency services); and wireless connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic (Voice & Maps apps are subject to change at any time and may be provided by third parties). Term begins from date of vehicle delivery. Paid subscription required after expiry. Services are dependent on compatible wireless networks provided by third-party wireless service providers, working vehicle electrical systems, GPS signal and other factors outside GM control. Changes in technology and wireless networks may limit or prevent the operation of certain services. For customers who also separately receive or purchase a Premium Plan or Vehicle Data Plan to use Wi-Fi Hotspot and In-Vehicle Apps, the data provided as part of that plan will also be used by any Voice & Maps apps which already had data connectivity under this Basics plan; if any applicable data caps are reached, Voice & Maps apps will continue to function for the duration of this Basics plan but additional vehicle data plan(s) must be purchased to use Wi-Fi Hotspot and In-Vehicle Apps. Services, connectivity, and capabilities have additional terms and limitations and are subject to change, and will vary by model, vehicle configuration, conditions, and geographical and technical restrictions. Non-refundable and no cash value. See onstar.ca for details.)Interior EquipmentSeating, heated driver and front outboard passengerSeats, ventilated driver and front passengerSeats, heated second row outboard seatsDriver memory, recalls driver "presets" for power driver seat and outside mirrorsCentre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capabilityFloor covering, colour-keyed carpetingSteering wheel, leather-wrappedSteering wheel, heatedSteering wheel audio controlsExterior Temperature Display located in radio displayCompass, located in instrument clusterWindow, power front, drivers express up/downWindow, power front, passenger express up/downWindows, power rear, express downDoor locks, powerRemote vehicle starter systemUniversal Home RemoteTheft-deterrent system, unauthorized entryPower outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)Defogger, rear-window electricAir conditioning, dual-zone automatic climate controlSteering column, manual Tilt-Wheel and telescopingAdaptive Cruise ControlWireless ChargingUSB Ports, 2 (first row) located on consoleAir vents, rearDriver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital displayAssist handles, front A-pillar mounted for driver and passenger, rear B-pillar mountedSeats, front bucket with centre consoleGMC Premium information Display- 13.4" diagonal Multicolour touch screenKeyless Open and Start includes remote keyless entryUSB ports, (2) charge-only, rearRear Camera Mirror inside rearview auto-dimming with full camera displaySeat adjuster, driver 16-way power including lumbar and massageSeat adjuster, passenger 16-way power including lumbar and massageMulticolour 15" Diagonal Head-Up DisplaySeat, 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)Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)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.)Seat trim, Full Grain Leather seatsFloor mats, carpeted front (Includes Premium floor mats with corner applique.)USB ports, 2, Charge/Data ports located inside centre consoleExterior EquipmentTire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF9) LT275/65R20 all-terrain, blackwall tires on single rear wheel models.)Single Rear WheelsTire carrier lock keyed cylinder lock that utilizes same key as ignition and doorCornerStep, rear bumperMouldings, beltline, stainless steelMirrors, 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])Mirror caps, chromeGlass, deep-tintedWindow, power, rear sliding with rear defoggerDoor handles, chromeTailgate and bed rail protection caps, topLamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheelWipers, front rain-sensingFog lamps, LEDBed Step, Black integrated on forward portion of bed on driver and passenger sideBumper, front, body-colour lowerBumper, rear body-colour with bumper CornerStepsIntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fobTaillamps, Animated LED Signature Tail, Stop, turn and Reverse lampsTailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area lightSunroof, powerHeadlamps, Animated LED projectors, LED turn signals and Daytime Running LampsLPO, MultiPro Tailgate Audio System by Kicker (dealer-installed)Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)Wheelhouse liners, rear (Not available with dual rear wheel models.)Lamps, Smoked Amber roof marker, (LED) (Standard with dual rear wheels.)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 detailsWheels, 20" (50.8 cm) Ultra-bright machined aluminum wheels with gloss black inserts with Black painted pockets (Requires single rear wheels.)Assist steps, power-retractable with LED perimeter lighting and bright accent (Not available with any other assist steps.)Winter Grille CoverCargo tie downs (12), fixed, rated at 500 lbs per cornerGrille, Signature Denali Ultimate grille in Vader chrome with High Gloss Black surroundBedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel)Entertainment EquipmentBluetooth for phone connectivity to vehicle infotainment systemWireless phone projection for Apple CarPlay and Android AutoBose Premium Series with 12-speaker system with CenterPoint, Richbass woofer and AudioPilotAudio System, 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes 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.Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)SiriusXM Trial SubscriptionSiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Certain features and/or content may not be available unless an active data connection is enabled in the vehicle. Content varies by SiriusXM subscription plan. Features and display may vary by vehicle. All SiriusXM services require a subscription, sold separately by SiriusXM after the trial period. Your SiriusXM service will automatically stop at the end of your trial unless you decide to subscribe. If you decide to continue service after your trial, the subscription plan you choose will continue for an indeterminate term and you will be charged according to your chosen payment method at the then-current rates unless and until you cancel. Taxes apply. Please see the SiriusXM Customer Agreement at siriusxm.ca/terms for complete terms and how to cancel, which includes calling SiriusXM at 1-888-539-7474. All rates, content, and programming are subject to change. SiriusXM uses personal information in accordance with SiriusXM Privacy Policy, available at siriusxm.ca/privacy. SiriusXM Canada Inc. "SiriusXM", the SiriusXM logo, channel names and logos are trademarks of Sirius XM Radio Inc. and are used under license.)Mechanical EquipmentAir filtration monitoringTransfer case, two-speed active electronic Autotrac with push button controlFour wheel driveCooling, external engine oil coolerCooling, auxiliary external transmission oil coolerTrailer brake controller, integratedFrame, fully-boxed, hydroformed front section and a fully-boxed stamped rear sectionBrakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotorsBrake lining wear indicatorEngine block heaterPush Button StartAir filter, heavy-dutyAuto-locking rear differentialRear axle, 3.42 ratioAlternator, 220 ampsPickup bedSkid Plates protect the oil pan, front axle and transfer caseTransmission, 10-speed automaticRecovery hooks, front, Chrome (Plant installed.)Suspension, Off-Road includes twin-tube shocks (Not available with dual rear wheels.)Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigueEngine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm)GVWR, 12,250 lbs. (5557 kg) with single rear wheels (Included and only available with TK30943 model and (L5P) Duramax 6.6L Turbo-Diesel V8 engine. Requires single rear wheels.)Battery, heavy-duty 730 cold-cranking amps/70 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)Exhaust BrakeCapped Fuel FillOther EquipmentTrailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch GuidanceSierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency BrakingProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering AppX31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks (Not available with dual rear wheels.)Technology Package includes (DRZ) Rear Camera Mirror and (UV6) Multicolour 15" Diagonal Head-Up DisplaySteps, Dual Rear Wheels