Meet the brand new 2025 GMC Sierra 2500 4wd Crew Cab 159 at Wallace Chevrolet Cadillac Buick GMC in Milton. Finished in Grey with a Black interior, this heavy-duty pickup pairs bold GMC capability with a roomy four-door Crew Cab layout. It also adds a sunroof for an open, airy feel on every drive.

Built for drivers who need serious strength, the 2025 GMC Sierra 2500 4wd Crew Cab 159 delivers the confidence of four-wheel drive and the ease of an automatic transmission. Whether the day calls for work, travel, or towing, this new GMC truck is designed to handle demanding tasks with comfort and control.

FEATURES OF THE Sierra 2500 4wd Crew Cab 159

»» Brand new heavy-duty GMC pickup
»» Crew Cab with four full doors
»» Grey exterior with Black interior
»» Sunroof adds light and fresh air

ADVANCED SAFETY FEATURES

»» Four-wheel drive supports added road confidence
»» Strong truck design enhances occupant protection
»» Large cabin layout helps driver visibility
»» Automatic transmission supports smooth power delivery

PERFORMANCE AND EFFICIENCY

»» Heavy-duty capability for demanding daily tasks
»» Automatic transmission for easy operation
»» Four-wheel drive for traction in Canada
»» Built to handle tough work conditions

COMFORT AND CONVENIENCE

»» Crew Cab offers spacious passenger room
»» Four doors allow easy cabin access
»» Sunroof brightens the cabin naturally
»» Black interior delivers a clean look

TECHNOLOGY AND CONNECTIVITY

»» Driver-focused cabin with practical control layout
»» Clear instrument access for daily use
»» Modern GMC truck design throughout cabin
»» Easy-to-use automatic driving experience

TRUCK FEATURES

»» Heavy-duty pickup built for hard work
»» Four-wheel drive supports off-road traction
»» Crew Cab adds versatile passenger space
»» Long wheelbase helps hauling stability

CARGO SPACE

»» Pickup bed supports worksite versatility
»» Crew Cab balances cargo and passengers
»» Cabin storage helps organize essentials
»» Built for gear, tools, and supplies

WHAT OTHER OWNERS LIKE

»» Strong towing-focused heavy-duty truck character
»» Spacious Crew Cab for family use
»» Confident four-wheel drive in poor weather
»» Comfortable ride for a heavy-duty pickup

This new 2025 GMC Sierra 2500 4wd Crew Cab 159 is a smart choice for shoppers who want proven GMC truck strength, a spacious cabin, and year-round traction. The Grey exterior gives it a professional look, while the sunroof adds welcome comfort for daily driving around Milton and beyond.

At Wallace Chevrolet Cadillac Buick GMC, this brand new 2025 GMC Sierra 2500 4wd Crew Cab 159 stands ready for work and recreation alike. If you want a capable heavy-duty truck with four doors, automatic transmission, four-wheel drive, and a sunroof, this GMC deserves a close look.

This 2025 GMC Sierra 2500 4wd Crew Cab 159s VIN is: 1GT4UNEY5SF336938 .

Safety EquipmentAirbags, 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 airbagTeen 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 driverStabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assistDaytime Running Lamps, LED signature lightingHitch Guidance dynamic single line to aid in truck trailer alignment for hitchingRear Seat Belt IndicatorTire 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'sForward 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 onlyBuckle 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.)Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel traileringHD Rear Vision Camera (Removed with (UV2) HD Surround Vision.)OnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)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 EquipmentSeat adjuster, driver 10-way power including lumbarSeat adjuster, passenger 10-way power including lumbarSeating, heated driver and front outboard passengerFloor covering, colour-keyed carpetingSteering wheel, heatedSteering wheel audio controlsCompass, located in instrument clusterWindow, power front, passenger express up/downWindows, power rear, express downDoor locks, powerRemote vehicle starter systemTheft-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 electricMirror, inside rearview auto-dimmingAssist handles front A-pillar mounted for driver and passenger, rear B-pillar mountedAir conditioning, dual-zone automatic climate controlCruise control, steering wheel-mountedExterior Temperature Display, located in radio displaySteering column, manual Tilt-Wheel and telescopingUSB Ports, 2, Charge/Data ports located on instrument panelRear Seat ReminderSteering wheel, wrappedAir vents, rearDriver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital displayWindows, power front, drivers express up/downDriver memory recalls driver "presets" for power driver seat and outside mirrorsFloor mats, carpeted front (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)Floor mats, carpeted rear (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)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 under-seat storage, (includes child seat top tether anchor)GMC Premium information Display- 13.4" diagonal Multicolour touch screenKeyless Open and Start includes remote keyless entryUSB ports, (2) charge-only, rearSeats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (Not available with (PCY) SLT Convenience Package or (PDB) SLT Premium Package.)Seat trim, Perforated Leather-appointed front outboard seating positionsExterior EquipmentTire carrier lock keyed cylinder lock that utilizes same key as ignition and doorCornerStep, rear bumperCargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per cornerLamps, cargo area cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheelMirror caps, chromeGlass, deep-tintedDoor handles, chromeTailgate and bed rail protection caps, topBumper, front chrome lowerBumper, rear chrome with bumper CornerStepsWheelhouse liners, rearWipers, front rain-sensingFog lamps, LEDBed Step, Black integrated on forward portion of bed on driver and passenger sideTire, spare LT275/70R18 all-terrain, blackwallHeadlamps, Animated LED projectors LED turn signals and Daytime Running LampsIntelliBeam, 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 lampsMirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) lightingTailgate, 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 detailsTailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area lightWheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accentsMouldings, beltline, chromeGrille (Chrome surround with Chrome insert bars.)Tires, LT275/70R18E all-terrain, blackwall (Not available with (C4M) 9900 lbs. (4490 kg) Lowered GVWR.)Entertainment EquipmentBluetooth for phone connectivity to vehicle infotainment systemAudio system feature, 6-speaker system,Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)Wireless phone projection for Apple CarPlay and Android AutoSiriusXM with 360L Trial Subscription. SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (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.)Audio 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 phonesSiriusXM Trial SubscriptionMechanical EquipmentEngine, 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 monitoringFour wheel driveCooling, external engine oil coolerCooling, auxiliary external transmission oil coolerBattery, 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, integratedFrame, fully-boxed, hydroformed front section and a fully-boxed stamped rear sectionSteering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigueBrakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotorsBrake lining wear indicatorRear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)Pickup bed includes bed assist stepRecovery hooks, front, frame-mounted, BlackSuspension Package (Not available with (X31) Off-Road Package.)Push Button StartAir filter, heavy-dutyAuto-locking rear differentialTransmission, Allison 10-Speed automaticIn-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.)Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)Transfer case, two-speed active, electronic Autotrac with push button control (Requires 4WD models.)GVWR, 10,850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)Other 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 AppSunroof