Certified 2026 GMC Sierra 2500HD AT4

Stock: A09455AVIN: 1GT4UPEY6TF112140

2026 Sterling Metallic GMC Sierra 2500HD AT4 4X4 Truck

Stock: A09455A VIN: 1GT4UPEY6TF112140

Certified 2026 GMC Sierra 2500HD AT4

Ext: Sterling Metallic Int: Jet Black

$86,222

Sale Price

Sale Price:

$86,222

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Overview

A09455A: Stock

1GT4UPEY6TF112140: VIN

19,820: Miles

Truck: Body

4X4: Drivetrain

Sterling Metallic: Exterior

Jet Black: Interior

159: Wheelbase

Duramax 6.6L V8 Turbodiesel: Engine

Diesel: Fuel

10-Speed Automatic: Transmission

4: Doors

Crew Cab: Cab Type

Description

Hillsboro Ford is located 35 miles North of Waco, South of Waxahachie, and right off Interstate 35. Folks from Hillsboro, Whitney, West, Waco, Aquilla, Cleburne, Waxahachie, and Corsicana have been doing business with Hillsboro Ford for decades. Come see about the best customer service experience in Central Texas today. - ASSIST STEPS, POWER RETRACTABLE, BLACK - includes LED lighting - Sterling Metallic - Gray - ENGINE BLOCK HEATER - ALTERNATOR, 220 AMP - 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (Includes (K05) Engine Block Heater) (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) - AT4 PREMIUM PLUS PACKAGE - 3 YEARS ONSTAR ONE - TRAILER TIRE PRESSURE MONITOR SENSORS - TIRES, LT275/65R20 E 126/123 BF GOODRICH OFF-ROAD T/A KO3 - 3 YEARS SIRIUSXM - HIGH IDLE SWITCH - TRAILERING WIRING PROVISIONS, FOR TRAILERING, 5TH WHEEL AND GOOSENECK TRAILER This 2026 GMC Sierra 2500HD AT4 is ready to take on any adventure. Equipped with the powerful Duramax 6.6L V8 Turbodiesel engine, this truck delivers an impressive 470 horsepower and 975 lb-ft of torque, providing the capability you need for towing, hauling, and off-road exploration. The 10-speed automatic transmission and 4-wheel drive system ensure smooth, confident handling in any conditions. The AT4 trim level takes the Sierra's rugged capabilities to the next level, with features like an off-road suspension, 2-speed transfer case, and all-terrain tires. The AT4 Premium Plus Package further enhances this truck, adding a power sunroof, advanced technology, and premium comfort and convenience features. Inside, you'll find a well-appointed cabin with luxurious touches, including heated and ventilated front seats, a heated steering wheel, and a premium Bose audio system. The large 15-inch head-up display, wireless charging, and suite of advanced safety technologies make every drive more convenient and secure. Whether you're tackling tough terrain, towing a heavy load, or just seeking a capable and comfortable daily driver, this 2026 GMC Sierra 2500HD AT4 is up to the task. Come experience its uncompromising performance and premium features for yourself. Vehicle may have an additional $1,495 in adds, see dealer and addendum for details.

Features

Apple CarPlay

Bed Liner

Brake Assist

Collision Warning

Ventilated Seats

Cross-Traffic Alert

Fog Lights

Heated Seats

Heated Side Mirrors

Keyless Entry

Lane Keep

Leather Seats

Memory Seats

Parking Assist

Power Seat

Power Windows

Premium Audio

Push Button Starting

Rain Sensing Wipers

Rear Heated Seats

Rearview Camera

Satellite Radio

Security System

Side-Impact Air Bags

Stability Control

Sunroof / Moonroof

Remote Start

Tow Hitch

Heated Steering Wheel

Details

Features

AT4 Preferred Package

AT4 Premium Plus Package

Gooseneck/5th Wheel Prep Package

Preferred Equipment Group 4SB

Technology Package

X31 Off-Road Package

3 Years SiriusXM

7 Speakers

AM/FM radio: SiriusXM with 360L

Bose Premium 7-Speaker Sound System

Premium audio system: Premium GMC Infotainment System

Radio: AM/FM Stereo with Premium GMC Infotainment System

SiriusXM with 360L Trial Subscription

Steering Wheel Audio Controls

Air Conditioning

Automatic temperature control

Electric Rear-Window Defogger

Front dual zone A/C

Rear window defroster

120-Volt Bed Mounted Power Outlet

120-Volt Instrument Panel Power Outlet

Driver Memory

Memory seat

Power driver seat

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

Speed-sensing steering

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 and Start

Low tire pressure warning

Occupant sensing airbag

Overhead airbag

Power Sunroof

Pickup Box

Brake assist

Electronic Stability Control

Lane Departure Warning System

Hill Descent Control

Auto High-beam Headlights

Delay-off headlights

Front fog lights

Fully automatic headlights

Panic alarm

Security system

Unauthorized Entry Theft-Deterrent System

Speed control

2-Speed Active Transfer Case

220-Amp Alternator

Engine Block Heater

Exhaust Brake

Heavy-Duty 80 Amp Battery

High Idle Switch

Auto-dimming door mirrors

Bumpers: body-color

Front License Plate Kit

Gloss Black Header Grille and Grille Insert Bars

Heated door mirrors

IntelliBeam Automatic High Beam on/Off

LED Cargo Area Lighting

LED Smoked Amber Roof Marker Lamps

Off-Road High Clearance Step

Power door mirrors

Power-Retractable Black Assist Steps

Rear step bumper

Rear Wheelhouse Liners

Spray-on Pickup Bedliner with GMC Logo

Turn signal indicator mirrors

Winter Grille Cover

2 Charge-Only Rear USB Ports

2 Charge/Data USB Ports Inside Center Console

2 USB Ports

3 Years OnStar One

Apple CarPlay/Android Auto

Auto-dimming Rear-View mirror

Automatic Emergency Braking

Bed View Camera with Two Trailer Camera Provisions

Buckle to Drive

Compass

Driver door bin

Driver vanity mirror

Floor-Mounted Center Console

Following Distance Indicator

Forward Collision Alert

Front Pedestrian Braking

Front Premium Floor Liners with Removable Carpet Insert

Front reading lights

HD Surround Vision

Heated steering wheel

Illuminated entry

Inside Rearview Auo-Dimming Rear Camera Mirror

Multicolor 15" Diagonal Head-Up Display

OnStar Services Capable

Outside temperature display

Overhead console

Passenger vanity mirror

Rear Cross Traffic Alert

Rear Premium Floor Liners with Removable Carpet Insert

Rear reading lights

Rear seat center armrest

Tachometer

Telescoping steering wheel

Tilt steering wheel

Trailer Cam Provisions and Trailer Viewing Software

Trailer Side Blind Zone Alert

Trip computer

Ultrasonic Front and Rear Park Assist

Voltmeter

Wireless Charging

Wireless Phone Projection

10-Way Power Driver Seat Adjuster with Lumbar

10-Way Power Passenger Seat Adjuster with Lumbar

Front Bucket Seats

Front Center Armrest

Heated 2nd Row Outboard Seats

Heated Driver and Front Outboard Passenger Seats

Heated front seats

Heated rear seats

Perforated Leather-Appointed Front Seat Trim

Power passenger seat

Safety Alert Seat

Split folding rear seat

Ventilated Driver and Front Passenger Seats

Ventilated front seats

Hard Folding Truck Bed Cover

Passenger door bin

5th Wheel and Gooseneck Trailer Wiring Provisions

Hitch Guidance with Hitch View

in-Vehicle Trailering System App

Trailer Tire Pressure Monitor Sensors

Alloy wheels

Wheels: 20" High Gloss Black 8 Spokes Aluminum

Deep-Tinted Glass

Front Rain-Sensing Wipers

Power Front Passenger Windows with Express Up/Down

Power Sliding Rear Window with Defogger

Rain sensing wipers

Variably intermittent wipers

Package

X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks

ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App

Mechanical

Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)

GVWR, 10,850 lbs. (4921 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 18", 20" or 22" wheels.)

Hill Descent Control

Transfer case, two-speed active, electronic Autotrac with push button control

Auto-locking rear differential

Four wheel drive

Cooling, external engine oil cooler

Cooling, auxiliary external transmission oil cooler

Air filter, heavy-duty

Air filtration monitoring

Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)

Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)

Trailer brake controller, integrated

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.)

Recovery hooks, Red

Skid Plates protect the oil pan, front axle and transfer case

Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section

Suspension, Off-Road includes twin-tube shocks

Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue

Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors

Brake lining wear indicator

Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)

Exterior

Tire, spare LT275/70R18 all-terrain, blackwall

Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door

Bumper, front, body-color lower

Bumper, rear body-color with bumper CornerSteps

Bed Step, Black integrated on forward portion of bed on driver and passenger side

CornerStep, rear bumper

Cargo tie downs (12), fixed, rated at 500 lbs per corner

Wheelhouse liners, rear

Moldings, beltline, Black

Grille (Gloss Black header and grille insert bars with Black Chrome accents.)

Fog lamps, LED

Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel

LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob

Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps

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

Mirror caps, high gloss Black

Glass, deep-tinted

Wipers, front rain-sensing

Door handles, body-color

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

Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light

Tailgate and bed rail protection caps, top

Entertainment

Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)

Interior

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)

Seat adjuster, driver 10-way power including lumbar

Seat adjuster, passenger 10-way power including lumbar

Seats, heated second row outboard seats

Driver memory recalls driver "presets" for power driver seat and outside mirrors

Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability

Floor covering, color-keyed carpeting

Steering wheel, wrapped

Steering wheel, heated

Steering wheel audio controls

Steering column, manual Tilt-Wheel and telescoping

Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display

Rear Seat Reminder

GMC Premium information Display- 13.4" diagonal Multicolor touch screen

Exterior Temperature Display, located in radio display

Compass, located in instrument cluster

Remote vehicle starter system

Adaptive Cruise Control

Wireless Charging

Theft-deterrent system, unauthorized entry

Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)

USB ports, (2) charge-only, rear

Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)

Air vents, rear

Air conditioning, dual-zone automatic climate control

Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted

Safety

StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist

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.)

Front and Rear Park Assist, ultrasonic

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

Trailer Camera Provisions and trailer viewing software

Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching

Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)

Rear Seat Belt Indicator

Rear Cross Traffic Alert

Trailer Side Blind Zone Alert

Seat Belt Adjustable Guide Loops, front row only

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.)

Safety Alert Seat

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

Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering

Mon:	8:30a - 7:00p
Tue:	8:30a - 7:00p
Wed:	8:30a - 7:00p
Thu:	8:30a - 7:00p
Fri:	8:30a - 7:00p
Sat:	8:30a - 6:00p
Sun:	Closed

Mon:	7:30a - 5:30p
Tue:	7:30a - 5:30p
Wed:	7:30a - 5:30p
Thu:	7:30a - 5:30p
Fri:	7:30a - 5:30p
Sat:	8:00a - 1:00p
Sun:	Closed

Mon:	7:30a - 5:30p
Tue:	7:30a - 5:30p
Wed:	7:30a - 5:30p
Thu:	7:30a - 5:30p
Fri:	7:30a - 5:30p
Sat:	8:00a - 1:00p
Sun:	Closed

Hillsboro Ford

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Certified 2026 GMC Sierra 2500HD AT4

Certified 2026 GMC Sierra 2500HD AT4

Hillsboro Ford

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Certified 2026 GMC Sierra 2500HD AT4

Certified 2026 GMC Sierra 2500HD AT4

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