Used 2026 GMC Sierra 2500HD AT4

Stock: WJP23134VIN: 1GT4UPEY9TF173613

Stock: WJP23134 VIN: 1GT4UPEY9TF173613

Used 2026 GMC Sierra 2500HD AT4

Detailed Pricing
Price:
$71,995
DOC Fees:
$599
Your Price:
$72,594

Vehicle Highlights

Views
267
Overview
WJP23134
Stock
1GT4UPEY9TF173613
VIN
25,105
Miles
Truck
Body
4X4
Drivetrain
Summit White
Exterior
Jet Black With Kalahari Accents
Interior
159
Wheelbase
Duramax 6.6L V8 Turbodiesel
Engine
Diesel
Fuel
10-Speed Automatic
Transmission
4
Doors
Crew Cab
Cab Type
Description
This 2026 GMC Sierra 2500HD AT4 in white delivers commanding power and capability with its Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD. Built for serious work and adventure, this truck combines rugged strength with premium comfort and technology designed for those who demand the best. Key Features: - Duramax 6.6L V8 Turbodiesel with 10-speed automatic and 4WD - Engine block heater and 220-amp alternator - Bose Premium 7-speaker sound system with SiriusXM satellite radio - Apple CarPlay and Android Auto integration with wireless phone projection - Heated and ventilated front seats with 10-way power adjustments - Premium GMC infotainment system with HD surround vision camera - Automatic emergency braking, lane departure warning, and rear cross-traffic alert - Remote vehicle starter system and push-button start - Spray-on pickup bedliner with GMC logo - 20-inch high-gloss black aluminum wheels with off-road suspension This truck combines luxury with capability. The heated steering wheel, dual-zone automatic climate control, and power moonroof create a premium cabin experience. Advanced safety technology includes automatic high-beam headlights, front pedestrian braking, and trailer side blind zone alert. The AT4 off-road package delivers hill descent control, 2-speed active transfer case, and all-terrain performance when the road ends. With 25,105 miles, this is a lightly used opportunity to own a full-size heavy-duty truck that's ready for work or weekend escapes. Visit us today to experience the Sierra 2500HD AT4 and discover why it's the preferred choice for truck owners who refuse to compromise.
Features
Apple CarPlay

Apple CarPlay

Bed Liner

Bed Liner

Brake Assist

Brake Assist

Collision Warning

Collision Warning

Ventilated Seats

Ventilated Seats

Cross-Traffic Alert

Cross-Traffic Alert

Fog Lights

Fog Lights

Heated Seats

Heated Seats

Heated Side Mirrors

Heated Side Mirrors

Keyless Entry

Keyless Entry

Lane Keep

Lane Keep

Leather Seats

Leather Seats

Memory Seats

Memory Seats

Parking Assist

Parking Assist

Power Seat

Power Seat

Power Windows

Power Windows

Premium Audio

Premium Audio

Push Button Starting

Push Button Starting

Rain Sensing Wipers

Rain Sensing Wipers

Rear Heated Seats

Rear Heated Seats

Satellite Radio

Satellite Radio

Security System

Security System

Side-Impact Air Bags

Side-Impact Air Bags

Stability Control

Stability Control

Remote Start

Remote Start

Tow Hitch

Tow Hitch

Heated Steering Wheel

Heated Steering Wheel

Details
Features
Preferred Equipment Group 4SB
X31 Off-Road Package
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
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
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
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
Power door mirrors
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
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
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
Passenger door bin
Hitch Guidance with Hitch View
in-Vehicle Trailering System App
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
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

Warranty Information

30-Day/3,000-Mile Engine and Powertrain Guarantee

We stand behind our trucks by offering a 30-day/3,000-mile engine and powertrain guarantee on vehicles under 8 model years in age and with less than 100,000 miles. This warranty covers components such as, but not limited to:

  • Engine
  • Transmission
  • Driveshafts
  • Transfer case
  • Differentials
  • Other major internal moving parts of the engine

Additional Warranty Coverage Options

Need additional coverage that goes beyond our standard 30-day/3,000-mile engine and powertrain guarantee? Then we have exactly what you need for a little extra peace of mind.

Specifically, Truck Ranch is proud to offer many other warranty and protection packages that include up to 100,000 additional miles of coverage. These programs can also provide coverage for additional components on your truck.

Feel free to contact us for more information on these available warranty and protection options.

More Reasons to Buy from Truck Ranch

We'll Ship Anywhere

We can ship your vehicle to you in 5-6 days. Our team is made up of automotive professionals you can trust and we guarantee a hassle-free, satisfying car buying experience. We look forward to serving you!

3 Day Exchange Policy

No questions asked! We're your #1 source for quality used car, trucks, and SUVs, and ready to meet your needs. We also offer free at home test-drives, home delivery, concierge service, and much more!

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Tax, Title and Tags not included in vehicle prices shown and must be paid by the purchaser. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us or by visiting us at the dealership.

Based on model year EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary depending on how you drive and maintain your vehicle.

**With approved credit. Terms may vary. Monthly payments are only estimates derived from the vehicle price with a month term, % interest and % downpayment.

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