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1010 Westminster Avenue West , Penticton , BC V2A 1L6 Directions
Sales (250) 493-7121 Call Us
1010 Westminster Avenue West , Penticton , BC V2A 1L6 Directions
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New 2026 GMC Sierra 3500HD 4WD Denali Ultimate

Denali Ultimate 4WD Crew Cab Standard Box Denali Ultimate Pickup Crew Cab Pickup 4WD 10-Speed Automatic Turbocharged Diesel V8 6.6L/
BlackOnyx Black Alpine Umber

Details

  • Exterior Color: Onyx Black
  • Interior Color: Alpine Umber
  • Body Style: Pickup
  • Transmission: 10-Speed Automatic
  • Stock: N26408
  • VIN: 1GT4UYEY5TF348655
  • Mileage: 16
  • Engine: Turbocharged Diesel V8 6.6L/
  • City MPG:
  • Highway MPG:

Highlights

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

Overview

Anchored by diesel strength and elevated craftsmanship, our 2026 GMC Sierra 3500 Denali Ultimate Crew Cab 4X4 stands at the summit of Pro Grade luxury and heavy-duty capability in Onyx Black. Motivated by a TurboCharged 6.6 Litre DuraMax Diesel V8 delivering 470hp and 975lb-ft of torque to a 10 Speed Allison Automatic transmission. This Four Wheel Drive truck also masters the miles with an off-road suspension, Digital Variable Steering, and a dominating design. Exterior highlights include a power sunroof, power assist steps, LED lighting, 20-inch wheels, a spray-on bedliner, and a MultiPro tailgate with a built-in Kicker sound system. Our Denali Ultimate surrounds us with premium comfort, including heated and ventilated leather power front seats, heated rear seats, a heated leather steering wheel, dual-zone automatic climate control, and a power sliding rear window. Digital command comes from a Bose Performance audio system paired with a 13.4-inch touchscreen, a 12.3-inch driver display, Google Built-In, wireless Apple CarPlay®/Android Auto®, WiFi compatibility, and wireless charging. Intelligent GMC safety measures let you drive confidently, protected by adaptive cruise control, automatic braking, a head-up display, HD surround vision, a digital rearview mirror, trailer blind-spot monitoring, Pro Grade trailering equipment, and more. With all that, our Sierra 3500 Denali Ultimate won't complain when the big jobs call! Save this Page and Call for Availability. We Know You Will Enjoy Your Test Drive Towards Ownership! Drive a Little, Save a Lot. Really Experience the Murray Difference.

Options

  • Onyx black
  • 3 YEARS SIRIUSXM
  • 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
  • REAR AXLE 3.42 RATIO
  • Passenger Adjustable Lumbar
  • Power Retractable Running Boards
  • LED Headlights
  • Navigation System
  • Telematics
  • Multi-Zone A/C
  • Stability Control
  • Traction Control
  • Power Folding Mirrors
  • Floor Mats
  • Intermittent Wipers
  • Heated Front Seat(s)
  • Leather Seats
  • Generic Sun/Moonroof
  • Floor Mats
  • Heated Front Seat(s)
  • Premium Sound System
  • Heads-Up Display
  • Auxiliary Audio Input
  • Auxiliary Audio Input
  • Back-Up Camera
  • Back-Up Camera
  • 4-Wheel Disc Brakes
  • Daytime Running Lights
  • Locking/Limited Slip Differential
  • Power Mirror(s)
  • Leather Steering Wheel
  • Aerial View Display System
  • Power Windows
  • Keyless Start
  • Heads-Up Display
  • Fog Lamps
  • Telematics
  • Keyless Start
  • Daytime Running Lights
  • Lane Departure Warning
  • Variable Speed Intermittent Wipers
  • Turbocharged
  • Adaptive Cruise Control
  • Back-Up Camera
  • Requires Subscription
  • Integrated Tailgate Step
  • Heated Steering Wheel
  • Remote Engine Start
  • Requires Subscription
  • Tires - Rear All-Terrain
  • Front Collision Warning
  • Front Head Air Bag
  • Automatic Highbeams
  • Universal Garage Door Opener
  • Cross-Traffic Alert
  • Tire Pressure Monitor
  • Mirror Memory
  • Front Collision Mitigation
  • Sun/Moonroof
  • Bluetooth Connection
  • Cooled Front Seat(s)
  • Bluetooth Connection
  • Daytime Running Lights
  • Power Door Locks
  • Auxiliary Audio Input
  • Satellite Radio
  • Heated Mirrors
  • Alpine umber, full grain leather seating surfaces
  • TRANSMISSION 10-SPEED AUTOMATIC (STD)
  • ALTERNATORS DUAL 220-AMPS PRIMARY 170-AMPS AUXILIARY
  • 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)
  • PREMIUM FLOOR LINERS WITH REMOVABLE CARPET INSERT FRONT
  • Driver Air Bag
  • Blind Spot Monitor
  • Conventional Spare Tire
  • Smart Device Integration
  • Power Windows
  • Cruise Control
  • Sliding Rear Window
  • Rain Sensing Wipers
  • Bucket Seats
  • Rear Defrost
  • WiFi Hotspot
  • Front Side Air Bag
  • Automatic Highbeams
  • Steering Wheel Audio Controls
  • Bluetooth Connection
  • ABS
  • Tow Hitch
  • Front Collision Warning
  • Power Steering
  • Front Collision Mitigation
  • Bed Liner
  • Auto-Dimming Rearview Mirror
  • MP3 Capability
  • Rear Defrost
  • Premium Sound System
  • Power Door Locks
  • Tow Hooks
  • Seat-Massage
  • Requires Subscription
  • Driver Adjustable Lumbar
  • Front Collision Warning
  • Pass-Through Rear Seat
  • Privacy Glass
  • Lane Departure Warning
  • Running Boards/Side Steps
  • Rear Head Air Bag
  • Power Driver Seat
  • Adjustable Steering Wheel
  • Driver Restriction Features
  • Seat Memory
  • MP3 Capability
  • Tire Pressure Monitor
  • Power Passenger Seat
  • Keyless Entry
  • Security System
  • Four Wheel Drive
  • AM/FM Stereo
  • Passenger Air Bag
  • Rear Bench Seat
  • Smart Device Integration
  • Climate Control
  • Tires - Front All-Terrain
  • MP3 Capability
  • Tire Pressure Monitor
  • Passenger Air Bag Sensor
  • Aluminum Wheels
  • Back-Up Camera
  • Heated Rear Seat(s)
  • Integrated Turn Signal Mirrors
  • Seat-Massage
  • Requires Subscription
  • Rear Parking Aid
  • Front Collision Mitigation

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, 12,100 lbs. (5488 kg) with single rear wheels (Included and only available with TK30743 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])
  • Single Rear Wheels
  • 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
  • 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
  • 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

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

* While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Murray Buick GMC Penticton.

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