Key Features

An icon representing Body Type
Body Type Pickup
An icon representing Mileage
Mileage 1 mi
An icon representing Fuel Type
Fuel Type
An icon representing Engine Description
Engine Description
An icon representing Drivetrain
Drivetrain 4WD
An icon representing Cab Type
Cab Type Crew Cab
An icon representing Trim
Trim Denali

Vehicle Details

checklist

Overview

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Stock Number

26259

Stock Type

New

Year

2026

Make
GMC
Model
Sierra 3500
Model Code

TK30743

Cab Type

Crew

Vehicle Trim

Denali

Body Type
Pickup
VIN

1GT4UWEY9TF114989

Brake Type

Hydraulic

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Dimensions

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Dimensions

Class

3

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Drivetrain

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Drivetrain

4WD

Transmission

Transmission Type

Automatic

manufacturing

Engine

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Engine Description

6.6L Duramax Turbo-Diesel V8 engine

Engine Cylinder Count

8

Engine Model

L5P

Engine Size (L)

6.6

Horsepower

470

Fuel Type

Diesel

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Seating

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Seat Dimensions

Seating Capacity

5

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Colors

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Exterior Color

White

Interior Color

Jet Black, Forge Perforated Leather seating surfaces

verified

Vehicle Options

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  • Floor covering, color-keyed carpeting
  • GMC Premium information Display- 13.4" diagonal Multicolor touch screen
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • Steering, Digital Variable Steering Assist This system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
  • 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])
  • Air vents, rear
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Glass, deep-tinted
  • Steering wheel, heated
  • Tires, LT275/65R20 all-terrain, blackwall (Requires single rear wheels.)
  • Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Adaptive Cruise Control
  • Wipers, front rain-sensing
  • 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 (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
  • Daytime Running Lamps LED signature lighting
  • Window, power, rear sliding with rear defogger
  • Recovery hooks, front, Chrome (Plant installed.)
  • SiriusXM
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
  • Seat adjuster, passenger 12-way power including lumbar
  • Remote vehicle starter system
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Seat Belt Adjustable Guide Loops, front row only
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Lamps, Smoked Amber roof marker, (LED) (Standard with dual rear wheels. Not available with (YF5) California state emissions requirements on single rear wheels.)
  • Seats, ventilated driver and front passenger
  • 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
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • LED Signature DRL's
  • HD Surround Vision provides the driver with an overhead view of the scene around the vehicle on a center stack display. Includes front camera washer.
  • Audio System, 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes color 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. (STD)
  • Window, power front, passenger express up/down
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Single Rear Wheels
  • 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.)
  • Air filter, heavy-duty
  • Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. 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
  • Seats, front bucket with center console (STD)
  • Window, power front, drivers express up/down
  • Seat trim, Forge Perforated Leather seating surfaces
  • Cooling, external engine oil cooler
  • Theft-deterrent system, unauthorized entry
  • Rear Cross Traffic Alert
  • Rear Seat Reminder
  • 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. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)
  • Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
  • Brake lining wear indicator
  • Exterior Temperature Display located in radio display
  • Trailer Side Blind Zone Alert
  • USB Ports, 2, Charge/Data ports located inside center console
  • Keyless Open and Start includes remote keyless entry
  • Door locks, power
  • Bumper, front, body-color lower
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Moldings, beltline, stainless steel
  • Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • USB ports, (2) charge-only, rear
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
  • Push Button Start
  • Auto-locking rear differential
  • 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)
  • Hill Descent Control (Not available with dual rear wheels.)
  • Steering wheel audio controls
  • 3 Years OnStar One (Requires (UE1) OnStar. Safety Services, WI-FI, and In-Vehicle Apps, all connected by OnStar. Info at OnStar.com/Plans. After initial 3-year period, requires paid OnStar plan. OnStar services vary by vehicle and model and require an active service plan, working electrical system, cell reception and GPS signal. See onstar.com for details and limitations. Terms apply.)
  • Bedliner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (Available with Ship Thru code (SQE) or (TCH), not available with any other Ship Thru code.)
  • Air conditioning, dual-zone automatic climate control
  • Wireless Charging
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Bose Sound System, premium 7-speaker system with Richbass woofer
  • Driver memory, recalls driver "presets" for power driver seat and outside mirrors
  • Grille, Signature Chrome Denali grille
  • Compass, located in instrument cluster
  • Wireless Phone Projection for Apple CarPlay and Android Auto
  • Wheelhouse liners, rear (Not available with dual rear wheel models.)
  • Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
  • Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
  • Mirror caps, chrome
  • USB Ports, 2 (first row) located on console
  • Universal Home Remote
  • Floor mats, carpeted front (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
  • Cooling, auxiliary external transmission oil cooler
  • Air filtration monitoring
  • Headlamps, Animated LED projectors, LED turn signals and Daytime Running 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.)
  • 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, center fold out armrest with 2 cupholders, full cab width underseat storage, (includes child seat top tether anchor)
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Wheels, 20" (50.8 cm) Ultra-bright machined wheels with bright chrome inserts with Black painted pockets (STD) (Requires single rear wheels.)
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
  • Windows, power rear, express down
  • Trailer Camera Provisions and trailer viewing software
  • Pickup bed includes bed assist step
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Steering wheel, wrapped
  • Front and Rear Park Assist, ultrasonic
  • Tailgate and bed rail protection caps, top
  • Steering column, manual Tilt-Wheel and telescoping
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Defogger, rear-window electric
  • Skid Plates protect the oil pan, front axle and transfer case
  • Seat adjuster, driver 12-way power including lumbar
  • CornerStep, rear bumper
  • Suspension, Off-Road includes twin-tube shocks (Not available with dual rear wheels.)
  • Transfer case, two-speed active electronic Autotrac with push button control
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Fog lamps, LED
  • Safety Alert Seat
  • Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
  • Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Four wheel drive
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
  • Bumper, rear body-color with bumper CornerSteps
  • 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.)
  • Seats, heated second row outboard seats
  • Door handles, chrome
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
  • Seating, heated driver and front outboard passenger
  • 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
  • Trailer brake controller, integrated
  • LPO, Polished exhaust tip (dealer-installed) (Requires (L8T) 6.6L V8 gas engine. Not included with (L5P) Duramax 6.6L Turbo Diesel V8 engine.)
  • Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
  • Engine block heater
  • GVWR, 12,100 lbs. (5488 kg) with single rear wheels
  • Multicolor 15" Diagonal Head-Up Display
  • Rear Camera Mirror
  • Seats, front bucket with center console
  • Winter Grille Cover
  • Capped Fuel Fill
  • Option/package discount
  • Denali Reserve Package
  • Exhaust Brake
  • Assist steps, power-retractable
  • Denali Preferred Equipment Group
  • Sunroof, power
  • Summit White
  • Emissions, Federal requirements
  • Transmission, 10-speed automatic
  • Jet Black, Forge Perforated Leather seating surfaces
  • Battery, heavy-duty 730 cold-cranking amps/70 Amp-hr
  • Alternator, 220 amps
  • Rear axle, 3.42 ratio
  • Technology Package
  • DENALI RESERVE PACKAGE DISCOUNT

Sheehan Buick GMC, Inc. ci2 Test Site

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location_on Lighthouse Point, FL
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Listing Notes
Experience the pinnacle of heavy-duty luxury and capability with the new 2026 GMC Sierra 3500HD Denali Crew Cab 4WD. Powered by a robust Duramax 6.6L Turbo-Diesel V8 (470hp, 975 lb-ft), paired with a 10-speed Allison automatic transmission, this truck is ready for the toughest jobs and smoothest rides. The Denali trim offers premium features like leather-appointed massaging front bucket seats, a 13.4-inch GMC Premium Infotainment Display, Bose 7-speaker sound, wireless charging, and a multicolor 15" Head-Up Display. Stay safe and secure with HD Surround Vision, Sierra HD Pro Safety (Forward Collision Alert, Lane Departure Warning, Automatic Emergency Braking), and Rear Cross Traffic Alert. Enjoy unmatched towing power with ProGrade Trailering System, Trailer Camera Provisions, and a trailer brake controller. The X31 Off-Road Package, 20" Ultra-Bright Machined Wheels, spray-on bedliner, and MultiPro Tailgate ensure versatility and rugged style. Additional highlights include ventilated and heated seats (front and rear), adaptive cruise, power sunroof, and power-retractable assist steps. Only 1 mile on the odometer-ready for its first adventure. Visit us to see why the Sierra 3500HD Denali sets the standard for premium heavy-duty trucks.

Price includes: $500 - Buick & GMC Consumer Cash Program 26-40ACB-004 (Exp. 03/31/2026)
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