2020 GMC Sierra 3500HD Denali- Diesel | 6-Way Tailgate | Surroun

Duramax Diesel | 6-Way MultiPro Tailgate | Gooseneck/ 5th Wheel Prep | HD Surround Vision | Head-Up Display | Bed View Camera | Rear Camera Mirror | Sunroof | Wireless Charging | Bose Premium Sound | Front/Rear Park Assist | Leather/ Heated/ Ventilated Front Seats | Heated Rear Seats | Leather Wrapped/ Heated Steering Wheel | Rear Seat Storage |


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 plus applicable taxes and licensing. Vehicle may not be exactly as pictured. Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed 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

• Automatic Emergency Braking (Included and only available with (PDJ) Driver Alert Package II.)
• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
• Hill Descent Control (Not available with dual rear wheels.)
• 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
• OnStar and GMC connected services capable (Terms and limitations apply. See onstar.ca or dealer for details.)
• Front and Rear Park Assist, ultrasonic
• 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
• Rear Cross Traffic Alert
• Lane Change Alert with Side Blind Zone Alert
• Lane Departure Warning (Included and only available with (PDJ) Driver Alert Package II.)
• Following Distance Indicator (Included and only available with (PDJ) Driver Alert Package II.)
• Forward Collision Alert (Included and only available with (PDJ) Driver Alert Package II.)
• Safety Alert Seat
• 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
• 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)
• Seat trim, Forge Perforated Leather-appointed seats
• Seat adjuster, driver 10-way power including lumbar
• Seat adjuster, passenger 10-way power including lumbar
• 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) (Rear seat is leather-appointed.)
• 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
• Floor mats, carpeted front (Unique premium carpet. Deleted when LPO floor liners are ordered.)
• Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered.)
• Steering wheel, leather-wrapped
• Steering wheel, heated
• Steering column, manual Tilt-Wheel and telescoping
• Steering wheel audio controls
• Driver Information Centre, enhanced, 8" diagonal multi-colour digital display includes analogue speedometer and tachometer gauges
• 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 ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed.)
• 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
• Cruise control, steering wheel-mounted
• Universal Home Remote
• Theft-deterrent system, unauthorized entry
• Steering column, lock control, electrical
• Wireless Charging
• 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)
• 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, 20" (50.8 cm) multi-dimensional Polished aluminum (Requires single rear wheels.)
• Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)
• Tire, 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 Wheels
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Bumper, front, body-colour lower
• Bumper, rear body-colour, with corner steps
• CornerStep, rear bumper
• BedStep, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
• Assist steps, chromed tubular, 6" rectangular cab length (factory installed)
• Mouldings, beltline, stainless steel
• Wheelhouse liners, rear (Not available with dual rear wheel models.)
• Bed Liner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Denali logo replaces GMC logo.)
• Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
• Grille, Signature Denali grille with high gloss Black mesh and Chrome inserts
• Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
• IntelliBeam, automatic high beam on/off (Included and only available with (PDJ) Driver Alert Package II.)
• Fog lamps, LED
• Taillamps, LED signature taillight with LED stop and reverse light
• 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
• Lamps, Smoked Amber LED roof marker, (LED) (Standard with dual rear wheels.)
• 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, chrome
• Glass, deep-tinted
• Window, power, rear sliding with rear defogger
• LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
• Door handles, chrome
• Tailgate, GMC MultiPro Tailgate with six functional load/access features
• Tailgate and bed rail protection caps, top
• Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light

Entertainment Equipment

• Audio system, Premium GMC Infotainment System with Navigation and 8" diagonal colour touch-screen includes multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings. Includes greater memory. (Includes (PZ8) Hitch Guidance with hitch view.)
• SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, 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.)
• HD Radio
• Bose Sound System, premium 7-speaker system with Richbass woofer
• Bluetooth for phone connectivity to vehicle infotainment system

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, 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.)
• Air filter, high-capacity
• Air filtration monitoring
• Transfer case, two-speed active electronic Autotrac with push button control
• Differential, heavy-duty locking rear
• 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
• LPO, Chrome recovery hooks (dealer installed)
• Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
• Skid Plates protect the oil pan, front axle and transfer case
• 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 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

• Driver Alert Package I includes (UD5) Front and Rear Park Assist, (UKC) Lane Change Alert with Side Blind Zone Alert and (UFG) Rear Cross Traffic Alert (Includes Perimeter Lighting.
• Driver Alert Package II includes (UEU) Forward Collision Alert, (UFL) Lane Departure Warning, (UHY) Automatic Emergency Braking, (TQ5) IntelliBeam headlamps and (UE4) Following Distance Indicator
• X31 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.)
• 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
• Security System, AM/FM Stereo, Air Conditioning, Driver Side Airbag, Fog Lights, Keyless Entry, Navigation System, Power Seat, Power Steering, Tilt Steering, Tow Package, Bucket Seats, Cruise Control, Traction Control, Auto Dimming Mirrors, Memory Seats, Passenger Airbag, Satellite Radio, Premium Audio, Stability Control, Bed Liner, Leather Wrap Wheel, Privacy Glass, Sliding Rear Window, All Wheel Drive, Climate Control, Heated Steering Wheel, Steering Wheel Audio Controls