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100 University Ave W,
Cobourg, ON K9A 4L1
2026 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali Ultimate 5SB Preferred Equipment Group 4x4
Price $140,378
Thomas Price $140,378
Price does not include taxes and licensing fees.
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2026 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali Ultimate 5SB Preferred Equipment Group 4x4

Finance from
$885

$140,378.00 x 84 months @ 3.99% APR with $0.00 down payment (4.04% effective rate, cost of borrowing $20,622.15). Plus taxes and licence.
$885

$140,378.00 x 84 months @ 3.99% APR with $0.00 down payment (4.04% effective rate, cost of borrowing $20,622.15). Plus taxes and licence.
/ Biweekly
Lease from
$1,087

$140,378.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, estimated lease rate, cost of borrowing $35,402.61). Plus taxes and licence.
$1,087

$140,378.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, estimated lease rate, cost of borrowing $35,402.61). Plus taxes and licence.
/ Biweekly
Thomas Price
$140,378
Price does not include taxes and licensing fees.
$140,378
Price does not include taxes and licensing fees.
+ Taxes and Fees
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2026 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali Ultimate in White for sale at Curry Chevrolet Buick GMC Ltd. in Haliburton, ON 2026 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali Ultimate in White for sale at Curry Chevrolet Buick GMC Ltd. in Haliburton, ON 2026 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali Ultimate in White for sale at Curry Chevrolet Buick GMC Ltd. in Haliburton, ON
2026 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali Ultimate in White for sale at Curry Chevrolet Buick GMC Ltd. in Haliburton, ON 2026 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali Ultimate in White for sale at Curry Chevrolet Buick GMC Ltd. in Haliburton, ON 2026 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali Ultimate in White for sale at Curry Chevrolet Buick GMC Ltd. in Haliburton, ON
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2026 GMC Sierra 3500HD 4WD Crew Cab Long Box Denali Ultimate 5SB Preferred Equipment Group 4x4
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Vehicle Details
    Body Style
    Truck
    Engine
    6.6L 8Cyl
    Exterior Colour
    White
    Interior Colour
    Tan
    Transmission
    Automatic
    Drivetrain
    4×4
    VIN
    1GT4UYEY6TF284349
    Stock
    26707
    Fuel Type
    Diesel
    Trim Details
    4WD Crew Cab Long Box Denali Ultimate
Description

Experience the unparalleled sophistication and power of the new 2026 GMC Sierra 3500HD Denali Ultimate, finished in an elegant polar white tricoat and designed for serious driving with its 4×4 drivetrain. This impressive truck boasts exceptional handling capabilities, making it a perfect choice for any adventure.

The exterior of this truck is both commanding and refined, featuring dual rear wheels and 18" polished forged aluminum wheels with Denali centre caps, perfectly matched with all-terrain tires for superior performance. Step inside to a luxurious tan interior, embellished with alpine umber full grain leather seating surfaces and heated front bucket seats. The cabin is thoughtfully designed to provide ultimate comfort, enhanced by premium floor liners with removable carpet inserts and a hard folding truck bed cover.

Embrace cutting-edge technology with the 13.4" diagonal premium GMC infotainment system, complete with Google built-in apps, navigation, and a multi-touch display. Stay connected and entertained through wireless Android Auto and Apple CarPlay capabilities along with a 3-year SiriusXM subscription. Safety and convenience are prioritized with features like a backup camera, lane assist, adaptive cruise control, and parking sensors ensuring you're in control at all times. Enjoy peace of mind with driver assistance features like a heads-up display and the reliability of dual alternators for maximum efficiency.

Whether you're a business professional in need of a robust and capable workhorse or an adventurer seeking the pinnacle of style and function, the 2026 GMC Sierra 3500HD Denali Ultimate is ready to exceed your expectations. Contact Curry Chevrolet Buick GMC Ltd. today to schedule your test drive and make this exceptional vehicle yours.

Packages & Options
Standard Equipment
Technical Specifications
Installed Packages
  • Denali Ultimate Preferred Equipment Group • 5SB
    includes standard equipment
  • Dual Rear Wheels • DZW
    includes LED hip marker lights
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible • L5P
    (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm)
  • Transmission, 10-Speed Automatic • MGM
  • Gvwr, 14,000 Lbs. (6350 Kg) With Dual Rear Wheels • G9Y
  • Rear Axle, 3.42 Ratio • GU6
  • Wheels, 18" (45.7 Cm) Polished Forged Aluminum • Q21
    Includes "Denali" centre caps.)
  • Tires, Lt235/80R18 All-Terrain, Blackwall • QHY
  • Tire, Spare Lt235/80R18 Blackwall All-Terrain • ZAE
  • Polar White Tricoat • G4J
  • Seats, Front Bucket With Centre Console • A50
  • Alpine Umber, Full Grain Leather Seating Surfaces • H40
  • Audio System, 13.4" Diagonal Premium Gmc Infotainment System • IOK
    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.
  • Alternators, Dual, 220-Amps Primary, 170-Amps Auxiliary • KHF
  • Suspension Package • Z85
  • Lpo, Rear Wheelhouse Liners • S41
    (dealer-installed)
  • Lpo, Hard Folding Truck Bed Cover By Realtruck Advantage • VOZ
    (dealer-installed)
  • License Plate Kit, Front • VK3
  • Premium Floor Liners With Removable Carpet Insert, Front • BKF
  • Premium Floor Liners With Removable Carpet Insert, Rear • BKE
  • 3 Years Siriusxm • R6P
No matches were found.
Options
  • Air Conditioning
  • Alloy Wheels
  • Backup Camera
  • Bluetooth Connection
  • Cooled Seats
  • Cruise Control
  • Heads Up Display
  • Heated Seats
  • Keyless Entry
  • Lane Assist
  • Leather Seats
  • Navigation System
  • Parking Sensors
  • Power Seats
  • Power Windows
  • Remote Start
  • Running Boards
  • Satellite Radio
  • Smart Device Integration
  • Sunroof / Moonroof
  • Wi-Fi Hotspot
No matches were found.
Entertainment
  • AM/FM Stereo
  • Auxiliary Audio Input
  • Bluetooth Connection
  • MP3 Player
  • Navigation System
  • Smart Device Integration
  • Requires Subscription
  • Satellite Radio
  • Premium Sound System
  • WiFi Hotspot
Exterior
  • Aluminum Wheels
  • Tires - Front All-Terrain
  • Tires - Rear All-Terrain
  • Conventional Spare Tire
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Generic Sun/Moonroof
  • Sun/Moonroof
  • 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
  • Power Retractable Running Boards
  • Running Boards/Side Steps
  • Mouldings, beltline, stainless steel
  • Wheelhouse liners, rear (Not available with dual rear wheel models.)
  • Bed Liner
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Grille, Signature Denali Ultimate grille in Vader chrome with High Gloss Black surround
  • Winter Grille Cover
  • Daytime Running Lights
  • LED Headlights
  • Automatic Highbeams
  • Fog Lamps
  • Taillamps, Animated LED Signature Tail, Stop, turn and Reverse 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
  • Lamps, Smoked Amber roof marker, (LED) (Standard with dual rear wheels.)
  • Heated Mirrors
  • Integrated Turn Signal Mirrors
  • Power Folding Mirrors
  • Power Mirror(s)
  • Mirror caps, chrome
  • Intermittent Wipers
  • Rain Sensing Wipers
  • Variable Speed Intermittent Wipers
  • Privacy Glass
  • Rear Defrost
  • Sliding Rear Window
  • Door handles, chrome
  • Integrated Tailgate Step
  • Tailgate and bed rail protection caps, top
  • Premium Sound System
Interior
  • Bucket Seats
  • Leather Seats
  • Driver Adjustable Lumbar
  • Power Driver Seat
  • Seat-Massage
  • Passenger Adjustable Lumbar
  • Power Passenger Seat
  • Pass-Through Rear Seat
  • Rear Bench Seat
  • Heated Front Seat(s)
  • Cooled Front Seat(s)
  • Heated Rear Seat(s)
  • Mirror Memory
  • Seat Memory
  • Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Floor covering, colour-keyed carpeting
  • Floor Mats
  • Leather Steering Wheel
  • Heated Steering Wheel
  • Adjustable Steering Wheel
  • Steering Wheel Audio Controls
  • Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
  • GMC Premium information Display- 13.4" diagonal Multicolour touch screen
  • Heads-Up Display
  • Exterior Temperature Display located in radio display
  • Compass, located in instrument cluster
  • Tire Pressure Monitor
  • Window, power front, drivers express up/down
  • Power Windows
  • Power Door Locks
  • Remote Engine Start
  • Keyless Entry
  • Keyless Start
  • Adaptive Cruise Control
  • Cruise Control
  • Universal Garage Door Opener
  • Security System
  • Wireless Charging
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • USB ports, (2) charge-only, rear
  • Auxiliary Audio Input
  • MP3 Player
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • A/C
  • Climate Control
  • Multi-Zone A/C
  • Air vents, rear
  • Rear Defrost
  • Auto-Dimming Rearview Mirror
  • Back-Up Camera
  • Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
Mechanical
  • 8 Cylinder Engine
  • Diesel Fuel
  • Turbocharged
  • 10-Speed A/T
  • A/T
  • Rear axle, 3.42 ratio
  • Pickup bed
  • 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.)
  • Engine block heater
  • Keyless Start
  • Air filter, heavy-duty
  • Air filtration monitoring
  • Transfer case, two-speed active electronic Autotrac with push button control
  • Locking/Limited Slip Differential
  • Four Wheel Drive
  • Cooling, external engine oil cooler
  • Cooling, auxiliary external transmission oil cooler
  • 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.)
  • Alternator, 220 amps
  • Trailer brake controller, integrated
  • Tow Hooks
  • 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.)
  • Power Steering
  • 4-Wheel Disc Brakes
  • ABS
  • Brake lining wear indicator
Package
  • Back-Up Camera
  • Heads-Up Display
  • Automatic Highbeams
  • Front Collision Mitigation
  • Front Collision Warning
  • Lane Departure Warning
  • 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.)
  • Tow Hitch
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
Processing-other
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
Safety
  • Front Collision Mitigation
  • Front Collision Warning
  • Stability Control
  • Traction Control
  • Hill Descent Control (Not available with dual rear wheels.)
  • Daytime Running Lights
  • Driver Air Bag
  • Front Head Air Bag
  • Front Side Air Bag
  • Passenger Air Bag
  • Passenger Air Bag Sensor
  • Rear Head Air Bag
  • Requires Subscription
  • Telematics
  • Rear Parking Aid
  • Aerial View Display System
  • Back-Up Camera
  • 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
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Trailer Camera Provisions and trailer viewing software
  • Cross-Traffic Alert
  • Blind Spot Monitor
  • Lane Departure Warning
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Safety Alert Seat
  • Rear Seat Reminder
  • Driver Restriction Features
  • Seat Belt Adjustable Guide Loops, front row only
  • Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
  • 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)
  • Tire Pressure Monitor
No matches were found.
Summary
  • Vehicle Name
    GMC Sierra 3500HD
  • Body Style
    Crew Cab Pickup
  • Body Code
    E63
Transmission
  • Drivetrain
    Four Wheel Drive
  • Trans Order Code
    MGM
  • Trans Type
    10
  • Trans Description Cont.
    Automatic
  • First Gear Ratio (:1)
    4.54
  • Second Gear Ratio (:1)
    2.87
  • Third Gear Ratio (:1)
    2.06
  • Fourth Gear Ratio (:1)
    1.72
  • Fifth Gear Ratio (:1)
    1.48
  • Sixth Gear Ratio (:1)
    1.26
  • Seventh Gear Ratio (:1)
    1.00
  • Eighth Gear Ratio (:1)
    0.85
  • Ninth Gear Ratio (:1)
    0.69
  • Tenth Gear Ratio (:1)
    0.63
  • Reverse Ratio (:1)
    4.54
Interior dimensions
  • Passenger Capacity
    5
  • Front Head Room (in)
    39.88
  • Front Leg Room (in)
    44.53
  • Front Shoulder Room (in)
    66.02
  • Front Hip Room (in)
    61.18
  • Second Head Room (in)
    40.12
  • Second Leg Room (in)
    43.4
  • Second Shoulder Room (in)
    65.3
  • Second Hip Room (in)
    60.24
Weight information
  • Gross Axle Wt Rating - Front (lbs)
    5600
  • Gross Axle Wt Rating - Rear (lbs)
    10400
  • Curb Weight - Front (lbs)
    4142
  • Curb Weight - Rear (lbs)
    2918
  • Gross Vehicle Weight Rating Cap (lbs)
    14000
  • Gross Combined Wt Rating (lbs)
    40000
Trailering
  • Dead Weight Hitch - Max Trailer Wt. (lbs)
    5000
  • Dead Weight Hitch - Max Tongue Wt. (lbs)
    500
  • Wt Distributing Hitch - Max Trailer Wt. (lbs)
    20000
  • Wt Distributing Hitch - Max Tongue Wt. (lbs)
    2000
  • Fifth Wheel Hitch - Max Trailer Wt. (lbs)
    30700
  • Fifth Wheel Hitch - Max Tongue Wt. (lbs)
    7675
  • Maximum Trailering Capacity (lbs)
    20000
Engine
  • Engine Order Code
    L5P
  • Engine Type
    Turbocharged Diesel V8
  • Displacement
    6.6L
  • Fuel System
    Direct Injection
  • SAE Net Horsepower @ RPM
    470 @ 2800
  • SAE Net Torque @ RPM
    975 @ 1600
  • Engine Oil Cooler
    Yes
Electrical
  • Cold Cranking Amps @ 0° F (Primary)
    720
  • Maximum Alternator Capacity (amps)
    220 & 170
Frame
  • Frame Type
    Hydroformed
Suspension
  • Suspension Type - Front
    Short/Long Arm w/Torsion Bars
  • Suspension Type - Rear
    3-Stage Multi-Leaf
  • Axle Type - Front
    Independent
  • Axle Ratio (:1) - Front
    3.42
  • Axle Ratio (:1) - Rear
    3.42
  • Shock Absorber Diameter - Front (mm)
    51
  • Shock Absorber Diameter - Rear (mm)
    51
  • Stabilizer Bar Diameter - Front (in)
    1.38
Tires
  • Front Tire Order Code
    QF6
  • Rear Tire Order Code
    QF6
  • Spare Tire Order Code
    ZYG
  • Front Tire Size
    LT275/70R18
  • Rear Tire Size
    LT275/70R18
  • Spare Tire Size
    LT275/70R18
Wheels
  • Front Wheel Size (in)
    18 x 8
  • Rear Wheel Size (in)
    18 x 8
  • Spare Wheel Size (in)
    18 x 8
  • Front Wheel Material
    Aluminum
  • Rear Wheel Material
    Aluminum
  • Spare Wheel Material
    Steel
Steering
  • Steering Type
    Pwr Recirculating Ball
  • Steering Ratio (:1), At Lock
    N/A
  • Turning Diameter - Curb to Curb (ft)
    57.0
  • Turning Diameter - Wall to Wall (ft)
    N/A
Brakes
  • Brake Type
    Pwr
  • Brake ABS System
    4-Wheel
  • Disc - Front
    Yes
  • Disc - Rear
    Yes
  • Front Brake Rotor Diam x Thickness (in)
    14 x 1.6
  • Rear Brake Rotor Diam x Thickness (in)
    14 x 1.6
Fuel tank
  • Fuel Tank Capacity, Approx (L)
    136
Exterior dimensions
  • Wheelbase (in)
    172
  • Length, Overall (in)
    266.77
  • Width, Max w/o mirrors (in)
    96.6
  • Height, Overall (in)
    80.3
  • Cab to Axle (in)
    55.24
  • Ground Clearance, Front (in)
    10.39
  • Ground Clearance, Rear (in)
    10.39
Cargo area dimensions
  • Cargo Box Length @ Floor (in)
    98.22
  • Cargo Box Width @ Floor (in)
    71.4
  • Cargo Box Width @ Wheelhousings (in)
    50.55
  • Cargo Box (Area) Height (in)
    21
  • Cargo Volume (ft³)
    83.5
No matches were found.
Location Alert:

This vehicle is located at our Haliburton location.
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Finance from
$846 bw
$134,203.00 x 84 months @ 3.99% APR with $0.00 down payment (4.04% effective rate, cost of borrowing $19,715.01). Plus taxes and licence.
Lease from
$1,217 bw
$134,203.00 x 24 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, estimated lease rate, cost of borrowing $19,247.13). Plus taxes and licence.
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* 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 is for the 2026 GMC Sierra 3500HD Denali Ultimate may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
Curry Chevrolet Buick GMC Ltd., ON / New Vehicles / 2026 GMC Sierra 3500HD Denali Ultimate
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Cash
Finance
Lease
Thomas Price $140,378
Price does not include taxes and licensing fees.
Term (mo.)
Frequency
Thomas Price $140,378
Price does not include taxes and licensing fees.
Interest rate
3.99%
Finance For
$140,378.00 x 84 months @ 3.99% APR with $0.00 down payment (4.04% effective rate, cost of borrowing $20,622.15). Plus taxes and licence.
$885 / bw
Term (mo.)
Frequency
Mileage Allowance
Thomas Price $140,378
Price does not include taxes and licensing fees.
Interest rate
8.50%
Lease For
$140,378.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, estimated lease rate, cost of borrowing $35,402.61). Plus taxes and licence.
$1,087 / bw
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Calculate Payments
Finance
Lease
Total Obligation
$161,000
Biweekly
$885
$140,378.00 x 84 months @ 3.99% APR with $0.00 down payment (4.04% effective rate, cost of borrowing $20,622.15). Plus taxes and licence.
Total Obligation
$113,038
Biweekly
$1,087
$140,378.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, estimated lease rate, cost of borrowing $35,402.61). Plus taxes and licence.