Key Features

An icon representing Body Type
Body Type Pickup
An icon representing Mileage
Mileage 7 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

Vehicle Details

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Overview

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Stock Number

G264141

Stock Type

New

Year

2026

Make
GMC
Model
Sierra 2500
Model Code

TK20743

Cab Type

Crew

Vehicle Trim

Denali Ultimate

Body Type
Pickup
VIN

1GT4UXEY8TF143759

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

Alpine Umber, Full Grain Leather seat trim

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Vehicle Options

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  • Wireless phone projection for Apple CarPlay and Android Auto
  • Air vents, rear
  • Rear axle, 3.42 ratio (Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine.)
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Glass, deep-tinted
  • Steering wheel, heated
  • 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
  • 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.)
  • 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), (TCE) or (TCH), not available with any other Ship Thru code.)
  • 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
  • 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
  • Steering wheel, leather-wrapped
  • Rear Seat Reminder
  • Seats, ventilated driver and front passenger
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Window, power, rear sliding with rear defogger
  • LED Signature DRL's
  • Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)
  • Rear Camera Mirror inside rearview auto-dimming with full camera display
  • Winter Grille Cover
  • Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
  • 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.
  • Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Engine block heater
  • Window, power front, passenger express up/down
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Multicolor 15" Diagonal Head-Up Display
  • 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
  • Hill Descent Control
  • 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)
  • Rear Cross Traffic Alert
  • Seat trim, Full Grain Leather
  • 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
  • Suspension, Off-Road includes twin-tube shocks
  • Capped Fuel Fill
  • 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
  • Grille (Signature Denali Ultimate grille in Vadar chrome with High Gloss Black surround.)
  • GVWR, 11,350 lbs. (5148 kg) (STD) (Requires TK20743 Crew Cab model, (L5P) Duramax 6.6L Turbo-Diesel V8 engine, with 20" or 22" wheels and tires. Not available with (NHT) Max Trailering Package.)
  • Trailer Side Blind Zone Alert
  • USB Ports, 2, Charge/Data ports located inside center console
  • Keyless Open and Start includes remote keyless entry
  • Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
  • Door locks, power
  • 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.)
  • Bumper, front, body-color lower
  • Seat adjuster, passenger 16-way power including lumbar and massage
  • Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
  • Recovery hooks, front, Chrome (plant installed.)
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • 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
  • Seats, front bucket with center console (STD)
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • LPO, MultiPro Tailgate Audio System by Kicker
  • 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.)
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (STD)
  • Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
  • Push Button Start
  • Auto-locking rear differential
  • 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.)
  • Seat adjuster, driver 16-way power including lumbar and massage
  • Windows, power front, drivers express up/down
  • 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
  • Compass, located in instrument cluster
  • GMC Premium information Display- 13.4" diagonal Multicolor touch screen
  • Moldings, beltline, chrome
  • Assist steps, power-retractable, with LED perimeter lighting and bright accent (Not available with any other assist steps.)
  • 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.)
  • Battery, heavy-duty dual 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.)
  • Mirror caps, chrome
  • USB Ports, 2 (first row) located on console
  • Universal Home Remote
  • Wheelhouse liners, rear
  • Cooling, auxiliary external transmission oil cooler
  • Air filtration monitoring
  • Technology Package includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • 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
  • 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)
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • 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
  • 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
  • Skid Plates protect the oil pan, front axle and transfer case
  • 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
  • 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
  • Floor mats, carpeted front (Includes Premium floor mats with corner applique.)
  • Transmission, 10-speed automatic (STD)
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • Rear Seat Belt Indicator
  • 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.)
  • Exhaust brake
  • Four wheel drive
  • Bumper, rear body-color with bumper CornerSteps
  • 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
  • Seats, heated second row outboard seats
  • Transfer case, two-speed active, electronic Autotrac with push button control
  • Alternator, 220 amp
  • Door handles, chrome
  • 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
  • Floor covering, color-keyed carpeting
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • Sunroof, power
  • SiriusXM Trial Subscription
  • LPO, Rear underseat storage
  • LPO, All-weather floor liner, 1st and 2nd rows
  • Tires, LT265/60R22 E all-terrain Blackwall
  • Wheels, 22" Transit steel, painted Black for LPO 22" wheels and tires
  • Alpine Umber, Full Grain Leather seat trim
  • High idle switch
  • LPO, Hitch Package
  • LPO, 22" (55.9 cm) Gloss black aluminum wheels
  • Denali Ultimate Preferred Equipment Group
  • Summit White
  • License plate kit, front, Incandescent lighting
  • Emissions, Federal requirements
  • LPO, Hard Folding Truck Bed Cover by RealTruck Advantage
  • Gooseneck / 5th Wheel Prep Package -- Hitch platform to accept Gooseneck or 5th Wheel hitch.

Bruner Early GMC ci2 Test Site

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Listing Notes
Experience the absolute pinnacle of professional-grade luxury. This 2026 GMC Sierra 2500HD Denali Ultimate in Summit White is more than just a truckit is a statement of power and prestige. Available now at Bruner Auto Group, this is the highest-tier heavy-duty pickup ever offered by GMC, designed for those in Brownwood who demand elite performance without compromise.

Unrivaled Duramax Diesel Performance:
Equipped with the legendary 6.6L Duramax Turbo-Diesel V8 engine and the Allison 10-speed automatic transmission, this Sierra 2500HD provides effortless towing and hauling. Whether you're moving heavy equipment through Brown County or towing a luxury trailer to Lake Brownwood, the Denali Ultimate delivers.

Max Capability: Includes the Max Trailering Package, Gooseneck/5th Wheel Prep Package, and the Technology Package.

Off-Road Precision: Features the X31 Off-Road Package, 2-Speed Active Transfer Case, and Hill Descent Control.

Foundation of Strength: Built with a 3.42 Axle Ratio, Heavy Duty Front Spring/Camper Package, and an engine block heater.

The Denali Ultimate Experience:
The interior is a masterpiece of craftsmanship, featuring the exclusive Alpine Umber Full Grain Leather with authentic Vanta ash wood trim.

First-Class Comfort: Enjoy 16-way power front seats with massage feature, heated and ventilated front seating, and heated second-row outboard seats.

High-Tech Command Center: A massive 13.4 diagonal touchscreen with Google built-in, a 12.3 Digital Driver Information Center, and a 15 Diagonal Head-Up Display.

Premium Audio: Immerse yourself in the Bose Premium Series 12-Speaker System with Centerpoint surround sound.

Connectivity: Wireless Apple CarPlay and Android Auto come standard, along with a power sunroof.

Exterior Sophistication & Utility:
The Denali Ultimate stands alone with its unique Vader Chrome grille and 20 Ultra-Bright Machined Aluminum wheels with High Gloss Black accents.

MultiPro Versatility: Features the GMC MultiPro Tailgate with integrated Kicker Audio System and step lights.

Functional Luxury: Power-Retractable Assist Steps with LED perimeter lighting, LED Smoked Amber Roof Marker Lamps, and factory spray-on bedliner with the GMC logo.

Advanced Visibility: HD Surround Vision, Bed View Camera, and the Rear Camera Mirror ensure you see everything around your trailer.

Why Choose 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 pride ourselves on providing a transparent, family-oriented buying experience. We understand the needs of Central Texas drivers and offer local service and support that national chains simply can't match.

Test drive the king of the road today. Visit us in Brownwood to see why the 2026 GMC Sierra 2500HD Denali Ultimate is the most sophisticated truck in Texas.

VIN: 1GT4UXEY8TF143759
Stock #: G264141
Condition: New - Retail
Location: Bruner Auto Group, Brownwood, TX 76801
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