Key Features

An icon representing Body Type
Body Type Pickup
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 SLT

Vehicle Details

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Overview

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Stock Number

G264126

Stock Type

New

Year

2026

Make
GMC
Model
Sierra 2500
Model Code

TK20743

Cab Type

Crew

Vehicle Trim

SLT

Body Type
Pickup
VIN

1GT4UNEY8TF138971

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

Dark Walnut/Slate, Perforated Leather-appointed front outboard seating positions

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Vehicle Options

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  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • SiriusXM Trial Subscription
  • Wireless phone projection for Apple CarPlay and Android Auto
  • Air vents, rear
  • Bumper, front chrome lower
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Glass, deep-tinted
  • Steering wheel, heated
  • Floor covering, color-keyed carpeting
  • 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
  • Steering wheel audio controls
  • Windows, power front, drivers express up/down
  • Air conditioning, dual-zone automatic climate control
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Compass, located in instrument cluster
  • GMC Premium information Display- 13.4" diagonal Multicolor touch screen
  • Moldings, beltline, chrome
  • Seat adjuster, passenger 10-way power including lumbar
  • Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
  • Mirror caps, chrome
  • Mirror, inside rearview auto-dimming
  • Wheelhouse liners, rear
  • Cooling, auxiliary external transmission oil cooler
  • Air filtration monitoring
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Transfer case, two-speed active, electronic Autotrac with push button control (Requires 4WD models.)
  • Seat, Up-level Rear with Storage Package 60/40 folding bench, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
  • Windows, power rear, express down
  • Pickup bed includes bed assist step
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Steering wheel, wrapped
  • 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
  • Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
  • Defogger, rear-window electric
  • 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.)
  • CornerStep, rear bumper
  • Exterior Temperature Display, located in radio display
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • Floor mats, carpeted front (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
  • Rear Seat Belt Indicator
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • Fog lamps, LED
  • Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Four wheel drive
  • Door handles, chrome
  • Wheels, 18" (45.7 cm) machined aluminum wheel with Dark Grey metallic accents (STD)
  • Seating, heated driver and front outboard passenger
  • Trailer brake controller, integrated
  • 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
  • Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
  • 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.)
  • USB Ports, 2, Charge/Data ports located on instrument panel
  • 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
  • Tire, spare LT275/70R18 all-terrain, blackwall
  • Remote vehicle starter system
  • Tires, LT275/70R18E all-terrain, blackwall (STD)
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Floor mats, carpeted rear (Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
  • 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
  • Rear Seat Reminder
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • USB ports, (2) charge-only, rear
  • LED Signature DRL's
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Bumper, rear chrome with bumper CornerSteps
  • Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Grille (Chrome surround with Chrome insert bars.)
  • Seat trim, Perforated Leather-appointed front outboard seating positions
  • Window, power front, passenger express up/down
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • 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
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • Cooling, external engine oil cooler
  • Theft-deterrent system, unauthorized entry
  • 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)
  • 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.)
  • OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select 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 select 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.)
  • Daytime Running Lamps, LED signature lighting
  • Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, (U12) perimeter lighting, auxiliary lighting, power folding/extending (extends 3.31" [84.25mm]) lighting
  • Brake lining wear indicator
  • Keyless Open and Start includes remote keyless entry
  • Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
  • Door locks, power
  • Seat adjuster, driver 10-way power including lumbar
  • Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
  • 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.)
  • Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • SLT Preferred Equipment Group
  • Bose Sound System, premium 7-speaker system with Richbass woofer
  • Center Console, floor-mounted
  • Dark Walnut/Slate, Perforated Leather-appointed front outboard seating positions
  • License plate kit, front, Incandescent lighting
  • X31 Off-Road Package
  • Seats, ventilated driver and front passenger
  • Front and Rear Park Assist, ultrasonic
  • GVWR, 11,350 lbs. (5148 kg)
  • Bedliner, Spray-on, Pickup bedliner
  • Alternator, 220 amp
  • Emissions, Federal requirements
  • Hill Descent Control
  • Lamps, Smoked Amber roof marker, (LED)
  • Transmission, 10-speed automatic
  • Skid Plates
  • Seats, heated second row outboard seats
  • Window, power, rear sliding with rear defogger
  • Wireless Charging
  • Capped Fuel Fill
  • Rear axle, 3.42 ratio
  • Glacier White Tricoat
  • SLT Preferred Package
  • Gooseneck / 5th Wheel Prep Package -- Hitch platform to accept Gooseneck or 5th Wheel hitch.
  • Bed View Camera, camera in the CHMSL to show a view of the cargo bed
  • Tailgate, GMC MultiPro Tailgate
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible
  • Engine block heater
  • LPO, All-weather floor liner, 1st and 2nd rows
  • Trailer Side Blind Zone Alert
  • Adaptive Cruise Control
  • Exhaust brake
  • Seats, front bucket
  • High idle switch
  • Rear Cross Traffic Alert
  • Universal Home Remote
  • Sierra HD Pro Safety Plus Package
  • Winter Grille Cover
  • Assist steps, chromed tubular, 6" rectangular cab length
  • LPO, Hitch Package
  • Trailer Camera Provisions and trailer viewing software
  • Suspension, Off-Road
  • SLT Convenience Package
  • Option/package discount
  • SLT Premium Package
  • Safety Alert Seat
  • Battery, heavy-duty dual 730 cold-cranking amps/70 Amp-hr
  • HD Surround Vision
  • SLT PREMIUM PACKAGE DISCOUNT DISCOUNT

Bruner Early GMC ci2 Test Site

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Listing Notes
Elevate your towing and hauling game in Central Texas. This 2026 GMC Sierra 2500HD SLT in stunning Glacier White Tricoat is the perfect combination of professional-grade power and refined luxury. Available now at Bruner Auto Group, this truck is engineered to dominate the job site in Early or pull your heaviest trailers to Lake Brownwood with ease.

Duramax Diesel Power & Allison Precision:
Under the hood is the legendary Duramax 6.6L V8 Turbo-Diesel engine, delivering massive torque and horsepower for your toughest tasks. Paired with the world-class Allison 10-speed automatic transmission, this Sierra 2500HD offers smooth, confident shifting even under heavy loads.

Max Towing Capability: Fully equipped with the Max Trailering Package, Gooseneck/5th Wheel Prep Package, and Hitch Guidance with Hitch View.

Off-Road Ready: Features the X31 Off-Road and Protection Package, including off-road suspension with Rancho shocks and Hill Descent Control.

Control: Includes an Integrated Trailer Brake Controller, exhaust brake, and an Autotrac 2-speed active transfer case for 4WD confidence.

Premium SLT Convenience & Technology:
The SLT trim is loaded with high-end features designed to make your workday more comfortable and your weekend drives more enjoyable.

Luxury Interior: Dark Walnut/Slate Perforated Leather interior with heated and ventilated front bucket seats, heated second-row outboard seats, and a heated steering wheel.

High-Tech Cockpit: Experience the SLT Preferred Package and Convenience Package, featuring a premium GMC Infotainment System, Wireless Charging, and Bose Premium 7-Speaker Sound System.

Visibility: Navigate tight spots with HD Surround Vision, Bed View Camera, and Front and Rear Park Assist.

Exterior Versatility:
This truck looks as good as it works, featuring 20-inch bright face wheels and the signature GMC MultiPro Tailgate with integrated Kicker Audio System.

Protection: Includes a factory Spray-on Pickup Bedliner with GMC Logo, Black Front and Rear Molded Splash Guards, and the GMC Protection Package.

Convenience: Outfitted with 6 Rectangular Chromed Tubular Assist Steps, LED Cargo Area Lighting, and LED Smoked Amber Roof Marker Lamps.

Why Buy From Bruner Auto Group in Brownwood?
The Bruner family has been a trusted part of the Brownwood and Early community since 1928. At Bruner Auto Group, we understand that Texas truck owners need reliability and local support. When you buy from us, youre backed by our expert service team and four generations of commitment to the Brownwood community.

Test drive this powerhouse today! Visit us at our Brownwood location to see why the 2026 GMC Sierra 2500HD SLT is the gold standard for Central Texas trucks. We proudly serve drivers in Bangs, Coleman, and Comanche.

VIN: 1GT4UNEY8TF138971
Stock #: G264126
Condition: New - Retail
Location: Bruner Auto Group, Brownwood, TX 76801
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