2026 GMC Sierra 3500HD Denali Ultimate 4WD Crew Cab 172″ Denali Ultimate Turbocharged Diesel V8 6.6L/ [0]

2026 GMC Sierra 3500HD Denali Ultimate 4WD Crew Cab 172″ Denali Ultimate Turbocharged Diesel V8 6.6L/ [1]

2026 GMC Sierra 3500HD Denali Ultimate 4WD Crew Cab 172″ Denali Ultimate Turbocharged Diesel V8 6.6L/ [2]

2026 GMC Sierra 3500HD Denali Ultimate 4WD Crew Cab 172″ Denali Ultimate Turbocharged Diesel V8 6.6L/ [3]

2026 GMC Sierra 3500HD Denali Ultimate 4WD Crew Cab 172″ Denali Ultimate Turbocharged Diesel V8 6.6L/ [4]

2026 GMC Sierra 3500HD Denali Ultimate 4WD Crew Cab 172″ Denali Ultimate Turbocharged Diesel V8 6.6L/ [5]

Details

Exterior Color: Onyx Black
Interior Color: Alpine Umber
Body Style: Pickup
Transmission: 10-Speed Automatic
Stock: 86-4021T
VIN: 1GT4UYEY6TF374021
Mileage: 74
Engine: Turbocharged Diesel V8 6.6L/

Installed Packages & Options

Onyx black
3 YEARS SIRIUSXM
HIGH IDLE SWITCH
SNOW PLOW PREP/CAMPER PACKAGE includes (KW5) 220-amp alternator includes increased front GAWR on Heavy Duty models (NZZ) skid plates (transfer case and oil pan) pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage recommend ordering (UY2) Trailering wiring provisions (Includes (KW5) 220-amp alternator
DUAL REAR WHEELS includes LED hip marker lights
LPO BLACK BADGING PACKAGE (dealer-installed) includes (SFZ) Black GMC emblems LPO and (RIK) Black Sierra Nameplates LPO.
Tire Pressure Monitor
Passenger Air Bag
Power Door Locks
Keyless Start
Security System
Integrated Turn Signal Mirrors
Variable Speed Intermittent Wipers
Front Collision Warning
Bucket Seats
Running Boards/Side Steps
Bed Liner
Back-Up Camera
Rear Defrost
Floor Mats
Premium Sound System
Daytime Running Lights
Blind Spot Monitor
Power Mirror(s)
Smart Device Integration
Requires Subscription
Heated Front Seat(s)
Adaptive Cruise Control
Leather Steering Wheel
Power Passenger Seat
Daytime Running Lights
Heated Front Seat(s)
Cruise Control
Navigation System
Intermittent Wipers
4-Wheel Disc Brakes
Front Side Air Bag
Aluminum Wheels
Turbocharged
Rear Head Air Bag
Power Folding Mirrors
Auto-Dimming Rearview Mirror
Cross-Traffic Alert
Auxiliary Audio Input
Back-Up Camera
Heads-Up Display
Bluetooth Connection
Climate Control
Rain Sensing Wipers
Conventional Spare Tire
Tow Hooks
Back-Up Camera
Lane Departure Warning
Automatic Highbeams
Telematics
Tire Pressure Monitor
Steering Wheel Audio Controls
Heated Rear Seat(s)
Power Driver Seat
Daytime Running Lights
Mirror Memory
Sliding Rear Window
Front Collision Mitigation
Generic Sun/Moonroof
Aerial View Display System
Tire Pressure Monitor
Front Collision Warning
Universal Garage Door Opener
Seat Memory

Alpine umber, full grain leather seating surfaces
TRANSMISSION 10-SPEED AUTOMATIC (STD)
GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
DENALI ULTIMATE PREFERRED EQUIPMENT GROUP includes standard equipment
ENGINE 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) (STD)
LPO ALL-WEATHER FLOOR LINER 1ST AND 2ND ROWS (dealer-installed)
Tow Hitch
Passenger Adjustable Lumbar
Bluetooth Connection
Cooled Front Seat(s)
Front Collision Warning
Pass-Through Rear Seat
Requires Subscription
Heated Mirrors
Power Retractable Running Boards
LED Headlights
Privacy Glass
Front Collision Mitigation
Power Door Locks
Automatic Highbeams
Heads-Up Display
Rear Parking Aid
Passenger Air Bag Sensor
Keyless Entry
Power Windows
WiFi Hotspot
Fog Lamps
Sun/Moonroof
Integrated Tailgate Step
Tires - Rear All-Terrain
Heated Steering Wheel
Traction Control
Lane Departure Warning
Power Steering
Driver Air Bag
Four Wheel Drive
Driver Adjustable Lumbar
Telematics
MP3 Capability
Tires - Front All-Terrain
MP3 Capability
Smart Device Integration
Locking/Limited Slip Differential
Auxiliary Audio Input
ABS
Premium Sound System
Bluetooth Connection
AM/FM Stereo
Floor Mats
Adjustable Steering Wheel
Back-Up Camera
Remote Engine Start
Multi-Zone A/C
Keyless Start
Leather Seats
Satellite Radio
Stability Control
Front Head Air Bag
MP3 Capability
Driver Restriction Features
Auxiliary Audio Input
Front Collision Mitigation
Seat-Massage
Requires Subscription
Power Windows
Seat-Massage
Rear Defrost
Rear Bench Seat
Requires Subscription

Vehicle Highlights

4 wheel Drive
4 wheel Drive
Anti Lock Braking System
Anti Lock Braking System
Sun / Moonroof
Sun / Moonroof
Bed Liner
Bed Liner
Heated Seats
Heated Seats
Steering Wheel Controls
Steering Wheel Controls
Remote Start
Remote Start
Cruise Control
Cruise Control
Universal Garage Door Opener
Universal Garage Door Opener
Backup Camera / Assist
Backup Camera / Assist
Cross-Traffic Alert
Cross-Traffic Alert
Blind Spot Monitor
Blind Spot Monitor
Multi-Zone A/C
Multi-Zone A/C
Keyless Entry
Keyless Entry
Navigation
Navigation
Power Seat(s)
Power Seat(s)
Premium Sound
Premium Sound
Satellite Radio
Satellite Radio
Rain Sensing Wipers
Rain Sensing Wipers
Bluetooth
Bluetooth
Back-Up Camera
Back-Up Camera
Keyless Start
Keyless Start
Cooled Seat(s)
Cooled Seat(s)
Power Folding Mirrors
Power Folding Mirrors
Lane Departure Warning
Lane Departure Warning
Wifi
Wifi
Adaptive Cruise
Adaptive Cruise
Smartphone Integration
Smartphone Integration
Android Auto
Android Auto
Apple Carplay
Apple Carplay

Interior

Adaptive Cruise Control
Air vents, rear
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 phones.
Bose Premium Series with 12-speaker system with CenterPoint, Richbass woofer and AudioPilot
Compass, located in instrument cluster
Door locks, power
Driver memory, recalls driver "presets" for power driver seat and outside mirrors
Floor covering, colour-keyed carpeting
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.)
Multicolour 15" Diagonal Head-Up Display
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Remote vehicle starter system
Seat adjuster, passenger 16-way power including lumbar and massage
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)
Seats, front bucket with centre console
Seats, ventilated driver and front passenger
SiriusXM 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.)
Steering wheel audio controls
Steering wheel, leather-wrapped
Universal Home Remote
USB Ports, 2 (first row) located on console
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Window, power front, passenger express up/down
Wireless Charging

Air conditioning, dual-zone automatic climate control
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
Bluetooth for phone connectivity to vehicle infotainment system
Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
Defogger, rear-window electric
Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
Exterior Temperature Display located in radio display
Floor mats, carpeted front (Includes Premium floor mats with corner applique.)
GMC Premium information Display- 13.4" diagonal Multicolour touch screen
Keyless Open and Start includes remote keyless entry
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
Rear Camera Mirror inside rearview auto-dimming with full camera display
Seat adjuster, driver 16-way power including lumbar and massage
Seat trim, Full Grain Leather seats
Seating, heated driver and front outboard passenger
Seats, heated second row outboard seats
SiriusXM Trial Subscription
Steering column, manual Tilt-Wheel and telescoping
Steering wheel, heated
Theft-deterrent system, unauthorized entry
USB ports, (2) charge-only, rear
USB ports, 2, Charge/Data ports located inside centre console
Window, power front, drivers express up/down
Windows, power rear, express down
Wireless phone projection for Apple CarPlay and Android Auto

Mechanical

Air filter, heavy-duty
Alternator, 220 amps
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.)
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Cooling, auxiliary external transmission oil cooler
Engine block heater
Four wheel drive
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.)
Push Button Start
Recovery hooks, front, Chrome (Plant installed.)
Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
Trailer brake controller, integrated

Air filtration monitoring
Auto-locking rear differential
Brake lining wear indicator
Capped Fuel Fill
Cooling, external engine oil cooler
Exhaust Brake
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
Pickup bed
Rear axle, 3.42 ratio
Skid Plates protect the oil pan, front axle and transfer case
Suspension, Off-Road includes twin-tube shocks (Not available with dual rear wheels.)
Transfer case, two-speed active electronic Autotrac with push button control

Safety

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
Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera Provisions
Daytime Running Lamps LED signature lighting
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Hill Descent Control (Not available with dual rear wheels.)
Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
LED Signature DRL's
OnStar Services capable (See onstar.ca for details and limitations. Services vary by model. Service plan required.)
Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
Safety Alert Seat
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
Trailer Side Blind Zone Alert

Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Buckle 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)
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Front and Rear Park Assist, ultrasonic
HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a centre stack display. Includes front camera washer.
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
Lane Departure Warning (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.)
Rear Cross Traffic Alert
Rear Seat Reminder
Seat Belt Adjustable Guide Loops, front row only
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
Trailer Camera Provisions and trailer viewing software
Trailer 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 Accessories

Exterior

Assist steps, power-retractable with LED perimeter lighting and bright accent (Not available with any other assist steps.)
Bedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel)
Bumper, rear body-colour with bumper CornerSteps
CornerStep, rear bumper
Fog lamps, LED
Grille, Signature Denali Ultimate grille in Vader chrome with High Gloss Black surround
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
Lamps, Smoked Amber roof marker, (LED) (Standard with dual rear wheels.)
LPO, MultiPro Tailgate Audio System by Kicker (dealer-installed)
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])
Sunroof, power
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF9) LT275/65R20 all-terrain, blackwall tires on single rear wheel models.)
Wheelhouse liners, rear (Not available with dual rear wheel models.)
Window, power, rear sliding with rear defogger
Wipers, front rain-sensing

Bed Step, Black integrated on forward portion of bed on driver and passenger side
Bumper, front, body-colour lower
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Door handles, chrome
Glass, deep-tinted
Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
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
Mirror caps, chrome
Mouldings, beltline, stainless steel
Tailgate and bed rail protection caps, top
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
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)
Wheels, 20" (50.8 cm) Ultra-bright machined aluminum wheels with gloss black inserts with Black painted pockets (Requires single rear wheels.)
Winter Grille Cover

Package

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.)

ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App

Disclaimer

The advertised price includes all standard dealer fees and any applicable manufacturer or dealer incentives. It does not include applicable taxes, licensing, insurance, or optional products or services. Dealer fees will be clearly broken out and itemized on the bill of sale, maximum total of fees $699.00. Prices are shown in Canadian dollars. While we make every effort to ensure accuracy, vehicle details, pricing, options, and availability are subject to change without notice. Please confirm all information with dealership sales management before purchase.

Since September 1, 2022, vehicles sold in Canada with a pre-tax retail price exceeding $100,000 may be subject to a luxury tax of either 20% on the amount exceeding $100,000 or 10% of the full value of the vehicle, whichever is less. This tax is in addition to the Provincial Sales Tax (PST) and the Goods and Services Tax (GST). For official information, please refer to the Government of Canada website.