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2026 GMC Sierra 2500HD Denali Ultimate 4WD

Vin: 1GT4UXEY5TF256777
Stock: TF256777
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Description
Vehicle Details
Exterior:
Glacier White
Body Type:
Truck
Drive Type:
4WD
Engine:
Duramax 6.6L V8 Turbodiesel
Transmission:
Automatic
Model Code:
TK20743
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Specifications

ENTERTAINMENT
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Bluetooth® for phone connectivity to vehicle infotainment system
  • LPO
  • Audio System
  • Wireless phone projection for Apple CarPlay and Android Auto
  • 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
  • Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
  • SiriusXM Trial Subscription
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Bluetooth® for phone connectivity to vehicle infotainment system
  • LPO
  • Audio System
  • Wireless phone projection for Apple CarPlay and Android Auto
  • 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
  • Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
  • SiriusXM Trial Subscription
EXTERIOR
  • Grille (Signature Denali Ultimate grille in Vadar chrome with High Gloss Black surround.)
  • Taillamps
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Mirror caps
  • Sunroof
  • Tailgate
  • Bumper
  • Mirrors
  • Cargo tie downs (12)
  • Wheels
  • More...
  • Grille (Signature Denali Ultimate grille in Vadar chrome with High Gloss Black surround.)
  • Taillamps
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Mirror caps
  • Sunroof
  • Tailgate
  • Bumper
  • Mirrors
  • Cargo tie downs (12)
  • Wheels
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Winter Grille Cover
  • Tailgate
  • Lamps
  • Assist steps
  • Wheelhouse liners
  • IntelliBeam
  • Wipers
  • Tailgate and bed rail protection caps
  • Bedliner
  • Headlamps
  • Tire
  • Glass
  • Lamps
  • Moldings
  • Bed Step
  • Fog lamps
  • Tires
  • Bumper
  • CornerStep
  • Door handles
INTERIOR
  • Floor mats
  • Power outlet
  • GMC Premium information Display- 13.4" diagonal Multicolor touch screen
  • Adaptive Cruise Control
  • Keyless Open and Start includes remote keyless entry
  • Seats
  • USB Ports
  • Seat adjuster
  • Windows
  • Exterior Temperature Display
  • More...
  • Floor mats
  • Power outlet
  • GMC Premium information Display- 13.4" diagonal Multicolor touch screen
  • Adaptive Cruise Control
  • Keyless Open and Start includes remote keyless entry
  • Seats
  • USB Ports
  • Seat adjuster
  • Windows
  • Exterior Temperature Display
  • Seat
  • Seat adjuster
  • Wireless Charging
  • Window
  • Air vents
  • Center Console
  • Seating
  • Remote vehicle starter system
  • Rear Camera Mirror inside rearview auto-dimming with full camera display
  • Seats
  • Theft-deterrent system
  • Seat trim
  • Floor mats
  • Seats
  • Steering column
  • Defogger
  • USB Ports
  • Window
  • Assist handles front A-pillar mounted for driver and passenger
  • Windows
  • Driver Information Center
  • Door locks
  • Rear Seat Reminder
  • Universal Home Remote
  • Multicolor 15" Diagonal Head-Up Display
  • Steering wheel
  • Steering wheel audio controls
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Power outlet
  • Steering wheel
  • Floor covering
  • Air conditioning
  • Compass
  • USB ports
MECHANICAL
  • Skid Plates protect the oil pan
  • Transfer case
  • Steering
  • Suspension
  • Brakes
  • Engine
  • GVWR
  • Battery
  • Transmission
  • Auto-locking rear differential
  • More...
  • Skid Plates protect the oil pan
  • Transfer case
  • Steering
  • Suspension
  • Brakes
  • Engine
  • GVWR
  • Battery
  • Transmission
  • Auto-locking rear differential
  • Rear axle
  • Hill Descent Control
  • Engine block heater
  • Cooling
  • Cooling
  • Exhaust brake
  • Brake lining wear indicator
  • In-Vehicle Trailering App
  • Trailer brake controller
  • Capped Fuel Fill
  • Frame
  • Alternator
  • Four wheel drive
  • Air filter
  • Air filtration monitoring
  • Pickup bed includes bed assist step
  • Recovery hooks
  • Push Button Start
PACKAGE
  • Sierra HD Pro Safety includes (UEU) Forward Collision Alert
  • Trailering Package includes trailer hitch
  • Technology Package includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display
  • X31 Off-Road Package includes (JHD) Hill Descent Control
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
  • Sierra HD Pro Safety includes (UEU) Forward Collision Alert
  • Trailering Package includes trailer hitch
  • Technology Package includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display
  • X31 Off-Road Package includes (JHD) Hill Descent Control
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
PROCESSING-OTHER
  • 3 Years OnStar One (Requires (UE1) OnStar. Safety Services
  • 3 Years OnStar One (Requires (UE1) OnStar. Safety Services
SAFETY
  • Safety Alert Seat
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Trailer Camera Provisions and trailer viewing software
  • Front and Rear Park Assist
  • Daytime Running Lamps
  • OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select remote commands
  • Airbags
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Hitch Guidance with Hitch View with image adjustment
  • Trailer Side Blind Zone Alert
  • More...
  • Safety Alert Seat
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Trailer Camera Provisions and trailer viewing software
  • Front and Rear Park Assist
  • Daytime Running Lamps
  • OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select remote commands
  • Airbags
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Hitch Guidance with Hitch View with image adjustment
  • Trailer Side Blind Zone Alert
  • Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Bed View Camera
  • 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.
  • StabiliTrak
  • Tire Pressure Monitoring System
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • Seat Belt Adjustable Guide Loops
  • Following Distance Indicator (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.)
  • Rear Seat Belt Indicator
  • Trailering Information Label provides max trailer ratings for tongue weight
  • 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
  • LED Signature DRL's
  • Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Rear Cross Traffic Alert
Research Models
Window Sticker

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