Key Features

An icon representing Body Type
Body Type Pickup
An icon representing Fuel Type
Fuel Type Diesel
An icon representing Drivetrain
Drivetrain 4x4
An icon representing Cab Type
Cab Type Double Cab
An icon representing Trim
Trim SLE

Vehicle Details

checklist

Overview

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Stock Number

26G944

Stock Type

New

Year

2026

Make
Model
Model Code

TK20953

Cab Type

Double

Vehicle Trim

SLE

Body Type
VIN

1GT5UMEY5TF123259

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

4x4

Transmission

Transmission Type

Automatic

manufacturing

Engine

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Engine Cylinder Count

8

Engine Model

L5P

Engine Size (L)

6.6

Fuel Type

Diesel

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Colors

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Exterior Color

Black

Interior Color

Black

verified

Vehicle Options

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  • Gooseneck/5th Wheel Prep Package
  • Preferred Equipment Group 3SA
  • Preferred Package
  • Remote Start Package
  • SLE Convenience Package
  • SLE Heated Package
  • SLE Value Package
  • Snow Plow Prep/Camper Package
  • Suspension Package
  • X31 Off-Road & Protection Package
  • X31 Off-Road Package
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • AM/FM radio: SiriusXM with 360L
  • Radio: AM/FM w/Premium GMC Infotainment System
  • SiriusXM w/360L Trial Subscription
  • Steering Wheel Audio Controls
  • A/C w/Dual-Zone Automatic Climate Control
  • Air Conditioning
  • Electric Rear-Window Defogger
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • 4-Way Manual Driver Seat Adjuster
  • Power steering
  • Power windows
  • Push Button Start
  • Remote keyless entry
  • Remote Vehicle Starter System
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • Manual Tilt-Wheel/Telescoping Steering Column
  • Off-Road Suspension
  • Traction control
  • 4-Wheel Disc Brakes
  • ABS brakes
  • Dual front impact airbags
  • Dual front side impact airbags
  • Emergency communication system: OnStar
  • Front anti-roll bar
  • Front wheel independent suspension
  • Keyless Open & Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Pickup Box
  • Brake assist
  • Electronic Stability Control
  • Lane Departure Warning System
  • Hill Descent Control
  • Auto High-beam Headlights
  • Delay-off headlights
  • Fully automatic headlights
  • Perimeter Lighting
  • Deleted Mobile Service Plus
  • Panic alarm
  • Unauthorized Entry Theft-Deterrent System
  • Adaptive Cruise Control
  • Speed control
  • 2-Speed Active Transfer Case
  • 2-Speed Electronic Shift Transfer Case
  • 220-Amp Alternator
  • Engine Block Heater
  • Exhaust Brake
  • Heavy-Duty 80 Amp Battery
  • 4" Round Chromed Tubular Assist Steps (LPO)
  • Bumpers: chrome
  • Chrome Surround Grille w/Chrome Insert Bars
  • Heated door mirrors
  • IntelliBeam Automatic High Beam On/Off
  • LED Cargo Area Lighting
  • LED Fog Lamps
  • LED Smoked Amber Roof Marker Lamps
  • Power door mirrors
  • Power-Adjustable Black Outside Mirrors
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Spray-On Pickup Bedliner w/GMC Logo
  • Turn signal indicator mirrors
  • Winter Grille Cover
  • 2 Charge-Only Rear USB Ports
  • 2 Charge/Data USB Ports
  • All-Weather Floor Liners (LPO)
  • Apple CarPlay/Android Auto
  • Auto-Dimming Inside Rear-View Mirror
  • Automatic Emergency Braking
  • Buckle to Drive
  • Cloth Seat Trim
  • Compass
  • Driver door bin
  • Driver vanity mirror
  • Following Distance Indicator
  • Forward Collision Alert
  • Front 40/20/40 Split-Bench Seats
  • Front Pedestrian Braking
  • Front reading lights
  • Heated Steering Wheel
  • Illuminated entry
  • OnStar Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear reading lights
  • Tachometer
  • Tilt steering wheel
  • Trip computer
  • Upfitter Switch Kit (5)
  • Voltmeter
  • Wireless Phone Projection
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 4-Way Manual Passenger Seat Adjuster
  • Heated Driver & Front Outboard Passenger Seats
  • Split folding rear seat
  • Front Center Armrest w/Storage
  • Passenger door bin
  • Hitch Guidance w/Hitch View
  • In-Vehicle Trailering System App
  • Trailer Tire Pressure Monitor Sensors
  • 17" Machined Aluminum Wheels
  • 18" Machined Aluminum Wheels
  • Alloy wheels
  • Wheels: 20" Bright Face w/Dark Painted Pockets
  • Deep-Tinted Glass
  • Power Sliding Rear Window w/Defogger
  • Variably intermittent wipers

LaFontaine Cadillac Buick GMC of Highland ci2 Test Site

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Listing Notes
2026 GMC Sierra 2500HD SLE $10,094 off MSRP!Explore our extensive inventory of new and pre-owned Buick and GMC vehicles at LaFontaine Buick GMC of Highland. Each vehicle is meticulously inspected to meet our high standards, guaranteeing you drive away in a reliable and stylish car. When you shop with us, you get more than just a car; you get the LaFontaine Family Deal. This means transparent pricing, exceptional customer service, and a commitment to making you feel like part of our family. Our team operates with integrity, respect, and a dedication to exceeding your expectations. Visit LaFontaine Buick GMC of Highland today and discover the perfect vehicle for your needs.Located at 4000 W Highland Rd, Highland, MI, LaFontaine Buick GMC Highland is easily accessible and open six days a week to serve you better. Whether you're looking for a new vehicle, need service, or want to explore financing options, our friendly staff is here to assist you. Check out the features on this 2026 GMC Sierra 2500HD Gooseneck/5th Wheel Prep Package, Preferred Equipment Group 3SA (120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports, 2-Speed Electronic Shift Transfer Case, 4-Way Manual Driver Seat Adjuster, Deep-Tinted Glass, OnStar Services Capable, Push Button Start, Steering Wheel Audio Controls, and Wireless Phone Projection), Preferred Package (Adaptive Cruise Control, LED Cargo Area Lighting, and Universal Home Remote), Remote Start Package (Electric Rear-Window Defogger, Remote Vehicle Starter System, and Unauthorized Entry Theft-Deterrent System), SLE Convenience Package (LED Fog Lamps, LED Smoked Amber Roof Marker Lamps, and Manual Tilt-Wheel/Telescoping Steering Column), SLE Heated Package (Heated Steering Wheel), SLE Value Package, Snow Plow Prep/Camper Package (220-Amp Alternator), Suspension Package, X31 Off-Road Package (Hill Descent Control and Off-Road Suspension), 17" Machined Aluminum Wheels, 18" Machined Aluminum Wheels, 2-Speed Active Transfer Case, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-Dimming Inside Rear-View Mirror, Automatic Emergency Braking, Brake assist, Buckle to Drive, Bumpers: chrome, Cloth Seat Trim, Compass, Delay-off headlights, Deleted Mobile Service Plus, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar, Engine Block Heater, Exhaust Brake, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seats, Front anti-roll bar, Front Center Armrest w/Storage, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Heavy-Duty 80 Amp Battery, Illuminated entry, Lane Departure Warning System, Low tire pressure warning, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perimeter Lighting, Pickup Box, Power door mirrors, Power steering, Power windows, Power-Adjustable Black Outside Mirrors, Rear reading lights, Rear step bumper, Rear Wheelhouse Liners, Remote keyless entry, Speed control, Split folding rear seat, Steering wheel mounted audio controls, Tachometer, Tilt steering wheel, Traction control, Trailer Tire Pressure Monitor Sensors, Trip computer, Turn signal indicator mirrors, Upfitter Switch Kit (5), Variably intermittent wipers, Voltmeter, and Wi Must qualify for GMS Pricing (General Motors Employee Pricing), Price includes: $1500 - Active UAW-GM Hourly Employee Vehicle Allowance. Exp. 01/04/2027 $500 - Buick & GMC Consumer Cash Program. Exp. 03/31/2026 $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 06/30/2026
...see more

%

$1,047.11 /month


Excludes tax, tag and other fees. This estimate is for general information purposes only.