2023 GMC SIERRA 2500HD AT4- HD Surround Vision | Snow Plow Prep

High Gloss Black Wheels | Sport Steps | Snow Ploq Prep Pkg | HD Surround Vision | Bed View Camera | Wireless Charging | Bose Premium Sound | Lane Change, Blind Zone and Rear Cross-Traffic Alerts | Auto Emergency Braking | Rear Camera Mirror | Front/ Rear Park Assist


Wilson-Niblett Motors has been proud to serve York Region for more than six decades! We want to thank you, our loyal customers, for making us the success we are today! If you are part of our family, you already know about our commitment to outstanding customer service and satisfaction and to being your dealership of choice in the region. You can visit our showroom at 10675 Yonge Street in Richmond Hill, which is just south of Yonge and Elgin Mills and one of our knowledgeable product specialists will be happy to assist you.


All prices are in Canadian dollars unless otherwise stated and represent the total purchase price, including all mandatory fees, with only GST, licensing, and insurance excluded, as required by OMVIC regulations. Although current incentives and pricing are captured as of the date of publication, all information is subject to change without notice. Please verify all information with a dealership sales representative prior to purchase..

Information provided on this site does not constitute an offer or guarantee of available pricing, incentives, or financing. Estimated selling prices and any payment calculations shown are for comparison purposes only and do not represent an offer to provide financing. You may not qualify for all offers, discounts, or promotions, which are subject to eligibility, expiry, and other restrictions. Offers may vary by province.

Finance and lease rates are subject to credit approval by the applicable lender(s) and may vary depending on your credit profile, term, down payment, and other factors. The APR displayed is an estimate only and may differ from the rate you actually receive. Payment examples include all mandatory fees except GST, as required by OMVIC regulations, and exclude licensing and insurance.

All product illustrations, prices, and specifications are based on current information at the time of programming and may change without notice. We reserve the right to modify content, pricing, incentive programs, specifications, equipment, colours, materials, or discontinue models at any time without obligation. Any changes to specifications, equipment, or models may be changed without notice and may be reflected in updated advertisements to ensure transparency.

Images, pricing, and options shown are for illustration only and may not reflect exact vehicle specifications, colours, trims, or availability. Vehicles shown may differ from in-transit or in-stock inventory. All vehicles are subject to prior sale.

Incentives may vary by model, trim, province, and engine option. Please consult your retailer or visit Build and Price for full program details.

Trademark Notice: Apple, Siri, iPhone, iPad, iTunes, and iPod are trademarks of Apple Inc. Android, Android Auto, and Google are trademarks of Google Inc. Bluetooth is a trademark of Bluetooth SIG, Inc. Wi-Fi is a trademark of the Wi-Fi Alliance. Bose is a trademark of Bose Corporation. SiriusXM and related logos are trademarks of SiriusXM Radio Inc. All rights reserved.

Please contact the dealership to verify any information listed herein. Our dealership is committed to providing accurate information in compliance with OMVIC regulations, and any discrepancies will be promptly corrected upon verification.

All prices are in Canadian dollars unless otherwise stated and represent the total purchase price, including all mandatory fees, with only GST, licensing, and insurance excluded, as required by OMVIC regulations. Although current incentives and pricing are captured as of the date of publication, all information is subject to change without notice. Please verify all information with a dealership sales representative prior to purchase..

Information provided on this site does not constitute an offer or guarantee of available pricing, incentives, or financing. Estimated selling prices and any payment calculations shown are for comparison purposes only and do not represent an offer to provide financing. You may not qualify for all offers, discounts, or promotions, which are subject to eligibility, expiry, and other restrictions. Offers may vary by province.

Finance and lease rates are subject to credit approval by the applicable lender(s) and may vary depending on your credit profile, term, down payment, and other factors. The APR displayed is an estimate only and may differ from the rate you actually receive. Payment examples include all mandatory fees except GST, as required by OMVIC regulations, and exclude licensing and insurance.

All product illustrations, prices, and specifications are based on current information at the

Engine: 6.6L V8

Safety Equipment

• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
• Daytime Running Lamps, LED signature lighting
• 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
• Seat Belt Adjustable Guide Loops, front row only
• OnStar and GMC connected services capable (Terms and limitations apply. See onstar.ca or dealer for details.)
• HD Rear Vision Camera
• Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
• Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
• 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)

Interior Equipment

• Seats, front bucket with centre console
• Seat trim, Perforated leather-appointed front
• 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
• Driver memory recalls driver "presets" for power driver seat and outside mirrors
• Seats, heated second row outboard seats
• 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)
• Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
• Floor covering, colour-keyed carpeting
• Premium Floor Liners with removable carpet insert, front
• Premium Floor Liners with removable carpet insert, rear
• Steering wheel, wrapped
• Steering wheel, heated
• Steering wheel audio controls
• Steering column, manual Tilt-Wheel and telescoping
• Steering column, lock control, electrical
• Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
• Driver Information Centre, 4.2" diagonal colour display includes driver personalization
• Exterior Temperature Display, located in radio display
• Compass, located in instrument cluster
• Rear Seat Reminder
• Windows, power front, drivers express up/down
• Window, power front, passenger express up/down
• Windows, power rear, express down
• Door locks, power
• Keyless Open and Start
• Remote vehicle starter system
• Cruise control, steering wheel-mounted
• Theft-deterrent system, unauthorized entry
• 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
• Power outlet, front auxiliary, 12-volt
• Power outlet, rear auxiliary, 12-volt
• USB ports, dual, charge-only (2nd row)
• Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
• Air conditioning, dual-zone automatic climate control
• Air vents, rear
• Defogger, rear-window electric
• Mirror, inside rearview auto-dimming
• Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
• GMC Connected Access capable (Subject to terms. See onstar.ca or dealer for details.)

Exterior Equipment

• Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents
• Tires, LT275/70R18E all-terrain, blackwall
• Tire, spare LT275/70R18 all-terrain, blackwall
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Bumper, front, body-colour lower
• Bumper, rear body-colour with bumper CornerSteps
• CornerStep, rear bumper
• Bed Step, Black integrated on forward portion of bed on driver and passenger side
• 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.)
• Cargo tie downs (12), fixed rated at 500 lbs (226.8 kg) per corner
• Wheelhouse liners, rear
• Mouldings, beltline, Black
• Grille (Painted Black surround with high gloss Black mesh and Black chrome inserts.)
• Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
• Fog lamps, LED
• Lamps, cargo area cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
• LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
• Taillamps, LED signature taillight with LED stop and reverse light
• 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])
• Mirror caps, high gloss Black
• Glass, deep-tinted
• Door handles, body-colour
• 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
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
• Tailgate and bed rail protection caps, top
• Hood Insulator

Entertainment Equipment

• 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.)
• SiriusXM
• 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 feature, 6-speaker system,
• Bluetooth for phone, connectivity to vehicle infotainment system
• Wireless Phone Projection for Apple CarPlay and Android Auto
• Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)

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)
• Transmission, 6-speed automatic, heavy-duty
• Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
• Pickup bed includes bed assist step
• GVWR, 10,650 lbs. (4831 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels or TK20943 and (L8T) 6.6L V8 gas engine with 17" wheels.)
• GVWR, 10,850 lbs. (4921 kg) (Included and only available with TK20943 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels.)
• Hill Descent Control
• Transfer case, two-speed active, electronic Autotrac with push button control
• Auto-locking rear differential
• Four wheel drive
• Cooling, external engine oil cooler
• Cooling, auxiliary external transmission oil cooler
• Air filter, heavy-duty
• Air filtration monitoring
• 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
• 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.)
• Recovery hooks, Red
• Skid Plates protect the oil pan, front axle and transfer case
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Suspension, Off-Road includes twin-tube shocks
• Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Brake lining wear indicator
• Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)

Other Equipment

• Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
• X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
• Security System, AM/FM Stereo, Air Conditioning, Driver Side Airbag, Fog Lights, Keyless Entry, Power Seat, Power Steering, Rear Defroster, Tilt Steering, Tow Package, Bucket Seats, Leather Interior, Cruise Control, Traction Control, Auto Dimming Mirrors, Memory Seats, Passenger Airbag, Stability Control, Bed Liner, Privacy Glass, All Wheel Drive, Climate Control, Heated Steering Wheel, Steering Wheel Audio Controls