2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [0]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [1]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [2]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [3]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [4]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [5]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [6]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [7]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [8]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [9]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [10]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [11]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [12]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [13]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [14]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [15]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [16]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [17]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [18]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [19]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [20]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [21]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [22]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [23]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [24]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [25]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [26]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [27]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [28]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [29]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [30]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [31]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [32]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [33]

2026 GMC Sierra 2500HD AT4 4WD Crew Cab 159″ AT4 Turbocharged Diesel V8 6.6L/ [34]

Details

Exterior Color: Summit White
Interior Color: Jet Black with Kalahari accents
Body Style: Pickup
Transmission: 10-Speed Automatic

Stock: 4223
VIN: 1GT4UPEY0TF318862
Mileage: 10,102
Engine: Turbocharged Diesel V8 6.6L/
City MPG:
Highway MPG:

Installed Options

Engine block heater $100
Alternator, 220 amp $150

Total Cost: $250

Highlights

4 wheel Drive
4 wheel Drive
Anti Lock Braking System
Anti Lock Braking System
Power Seat(s)
Power Seat(s)
Heated Seats
Heated Seats
Steering Wheel Controls
Steering Wheel Controls
Remote Start
Remote Start
Cruise Control
Cruise Control
Backup Camera / Assist
Backup Camera / Assist
Cross-Traffic Alert
Cross-Traffic Alert
Blind Spot Monitor
Blind Spot Monitor
Multi-Zone A/C
Multi-Zone A/C
Keyless Entry
Keyless Entry
Navigation
Navigation
Premium Sound
Premium Sound
Satellite Radio
Satellite Radio
Rain Sensing Wipers
Rain Sensing Wipers
Bluetooth
Bluetooth
Bed Liner
Bed Liner
Back-Up Camera
Back-Up Camera
Keyless Start
Keyless Start
Cooled Seat(s)
Cooled Seat(s)
Power Folding Mirrors
Power Folding Mirrors
Lane Departure Warning
Lane Departure Warning
Wifi
Wifi
Adaptive Cruise
Adaptive Cruise
Smartphone Integration
Smartphone Integration
Android Auto
Android Auto
Apple Carplay
Apple Carplay

Options

Emissions, federal requirements
Gvwr, 11,350 lbs. (5148 kg)
At4 preferred equipment group
Tires, lt275/65r20 all-terrain, blackwall
Seats, front bucket
Audio system, 13.4" diagonal premium gmc infotainment system with google built in apps such as navigation and voice assistance
Alternator, 220 amp
Winter grille cover
WHEELS 20" (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 spokes (STD)
TIRES LT275/65R20 ALL-TERRAIN BLACKWALL (STD)
TRANSMISSION 10-SPEED AUTOMATIC
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) (Includes (K05) engine block heater.)
ENGINE BLOCK HEATER
SUMMIT WHITE
AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
REAR AXLE 3.42 RATIO
Lane Departure Warning
Front Collision Warning
Tow Hitch
Locking/Limited Slip Differential
Tow Hooks
ABS
Aluminum Wheels
Tires - Rear All-Terrain
Bed Liner
Automatic Highbeams
Heated Mirrors
Integrated Turn Signal Mirrors
Privacy Glass
Variable Speed Intermittent Wipers
Integrated Tailgate Step
Navigation System
Bluetooth Connection
Smart Device Integration
Satellite Radio
Premium Sound System
Bluetooth Connection
WiFi Hotspot
Leather Seats
Power Driver Seat
Power Passenger Seat
Heated Front Seat(s)
Cooled Front Seat(s)
Mirror Memory
Floor Mats
Heated Steering Wheel
Adjustable Steering Wheel
Power Windows
Power Door Locks
Power Door Locks
Remote Engine Start
Adaptive Cruise Control
MP3 Capability
MP3 Capability
Climate Control
Rear Defrost
Front Collision Mitigation
Front Collision Warning
Stability Control
Daytime Running Lights
Passenger Air Bag
Front Head Air Bag
Passenger Air Bag Sensor
Requires Subscription
Back-Up Camera
Back-Up Camera
Lane Departure Warning
Blind Spot Monitor
Tire Pressure Monitor
Telematics

Transmission, 10-speed automatic
Rear axle, 3.42 ratio
Wheels, 20" (50.8 cm) high gloss black aluminum wheels
Summit white
Jet black with kalahari accents, perforated front leather seat trim
Engine block heater
Exhaust brake
License plate kit, front, incandescent lighting
ALTERNATOR 220 AMP
GVWR 11 350 LBS. (5148 KG)
JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEAT TRIM
WINTER GRILLE COVER
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)
SEATS FRONT BUCKET with center console (STD)
LICENSE PLATE KIT FRONT INCANDESCENT LIGHTING
EXHAUST BRAKE
Front Collision Mitigation
Automatic Highbeams
Keyless Start
Four Wheel Drive
Power Steering
4-Wheel Disc Brakes
Tires - Front All-Terrain
Conventional Spare Tire
Daytime Running Lights
Fog Lamps
Power Mirror(s)
Power Folding Mirrors
Intermittent Wipers
Rain Sensing Wipers
AM/FM Stereo
MP3 Capability
Auxiliary Audio Input
Requires Subscription
Requires Subscription
Bluetooth Connection
Smart Device Integration
Bucket Seats
Rear Bench Seat
Driver Adjustable Lumbar
Passenger Adjustable Lumbar
Heated Front Seat(s)
Heated Rear Seat(s)
Seat Memory
Floor Mats
Steering Wheel Audio Controls
Power Windows
Power Windows
Keyless Entry
Keyless Start
Cruise Control
Security System
Auxiliary Audio Input
Auxiliary Audio Input
Multi-Zone A/C
Auto-Dimming Rearview Mirror
Front Collision Mitigation
Traction Control
Daytime Running Lights
Driver Air Bag
Front Side Air Bag
Rear Head Air Bag
Telematics
Rear Parking Aid
Aerial View Display System
Front Collision Warning
Cross-Traffic Alert
Driver Restriction Features
Navigation System
Requires Subscription

Overview

This 2026 GMC Sierra 2500HD AT4 arrives in pristine White with a sophisticated Jet Black interior accented in Kalahari leather, presenting a truck that commands respect both on and off the road. Powered by the legendary Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD capability, this crew cab delivers the performance and capability serious truck owners demand. With just over 10,100 miles, this is a barely-broken-in machine ready to tackle years of hauling, towing, and adventure. - Active Parking Assist and Ultrasonic Front and Rear Park Assist - Apple CarPlay and Android Auto with Wireless Phone Projection - Bose Premium 7-Speaker Sound System with SiriusXM 360L Trial - Heated and Ventilated Front Seats with Heated 2nd Row Outboard Seats - Off-Road Suspension with 2-Speed Active Transfer Case and Hill Descent Control - HD Surround Vision with Bed View Camera and Trailer Camera Provisions - Collision Avoidance and Collision Warning with Lane Departure Warning - Spray-On Pickup Bedliner with GMC Logo and LED Cargo Area Lighting - Remote Vehicle Starter System with Keyless Access and Push Button Start - X31 Off-Road Package with Gloss Black Header Grille and 20" High-Gloss Black Aluminum Wheels The AT4 trim elevates this Sierra with premium features that combine luxury and ruggedness from the Preferred Equipment Group 4SB to the advanced safety suite featuring Automatic Emergency Braking, Front Pedestrian Braking, and Rear Cross Traffic Alert. This truck is a non-smoker with every innovation GMC offers, engineered to handle whatever you demand of it. Visit us today to experience this exceptional 2500HD and explore what true truck capability feels like. Wilsonville Chevrolet is a General Motors ''Standard for Excellence'' Winner. Only dealers with the highest level of Customer Satisfaction qualify for this prestigious award. With 4.5 acres of New, Certified and Pre-Owned inventory we offer a great selection of vehicles to choose from. In addition we have a new vehicle locating service. So in the rare event that we don't have what you are looking for we can locate the exact new Chevrolet that meets your needs.

Interior

Adaptive Cruise Control
Air vents, rear
Bluetooth for phone connectivity to vehicle infotainment system
Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
Defogger, rear-window electric
Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
Exterior Temperature Display, located in radio display
GMC Premium information Display- 13.4" diagonal Multicolor touch screen
Mirror, inside rearview auto-dimming
Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
Premium Floor Liners with removable carpet insert, rear
Remote vehicle starter system
Seat adjuster, passenger 10-way power including lumbar
Seats, front bucket with center console
Seats, ventilated driver and front passenger
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.)
Steering wheel audio controls
Steering wheel, wrapped
USB ports, (2) charge-only, rear
USB Ports, 2, Charge/Data ports located inside center console
Window, power front, passenger express up/down
Windows, power rear, express down
Wireless phone projection for Apple CarPlay and Android Auto

Air conditioning, dual-zone automatic climate control
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
Bose Sound System, premium 7-speaker system with Richbass woofer
Compass, located in instrument cluster
Door locks, power
Driver memory recalls driver "presets" for power driver seat and outside mirrors
Floor covering, color-keyed carpeting
Keyless Open and Start includes remote keyless entry
Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
Premium Floor Liners with removable carpet insert, front
Rear Seat Reminder
Seat adjuster, driver 10-way power including lumbar
Seating, heated driver and front outboard passenger
Seats, heated second row outboard seats
SiriusXM Trial Subscription
Steering column, manual Tilt-Wheel and telescoping
Steering wheel, heated
Theft-deterrent system, unauthorized entry
USB Ports, 2 (first row) located on console
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Windows, power front, drivers express up/down
Wireless charging

Mechanical

Air filter, heavy-duty
Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
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.)
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
Cooling, auxiliary external transmission oil cooler
Four wheel drive
Hill Descent Control
Pickup bed includes bed assist step
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Skid Plates protect the oil pan, front axle and transfer case
Suspension, Off-Road includes twin-tube shocks
Transfer case, two-speed active, electronic Autotrac with push button control

Air filtration monitoring
Auto-locking rear differential
Brake lining wear indicator
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Cooling, external engine oil cooler
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
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.)
Push Button Start
Recovery hooks, Red
Steering, Digital Variable Steering Assist this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue
Trailer brake controller, integrated
Transmission, 10-Speed automatic

Safety

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
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
OnStar Equipped (subscription required)
Rear Cross Traffic Alert
Safety Alert Seat
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
Trailer Side Blind Zone Alert

Daytime Running Lamps, LED signature lighting
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.
Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Rear Seat Belt Indicator
Seat Belt Adjustable Guide Loops, front row only
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
Trailer Camera Provisions and trailer viewing software

Exterior

Bed Step, Black integrated on forward portion of bed on driver and passenger side
Bumper, rear body-color with bumper CornerSteps
CornerStep, rear bumper
Fog lamps, LED
Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
Moldings, beltline, Black
Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Tires, LT275/65R20 all-terrain, blackwall
Wipers, front rain-sensing

Bumper, front, body-color lower
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Door handles, body-color
Glass, deep-tinted
Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Mirror caps, high gloss Black
Tailgate and bed rail protection caps, top
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
Tire, spare LT275/70R18 all-terrain, blackwall
Wheelhouse liners, rear

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

Dealership Information

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All advertised vehicles are subject to actual dealer availability. Certain vehicles listed may not be available, or may have different prices. Prices exclude state tax, license, document preparation fee, smog fee, and finance charges, if applicable. Vehicle option and pricing are subject to change. Prices include all dealer rebates and dealer incentives. Pricing and availability varies by dealership. Please check with your dealer for more information. Prices do not include dealer charges, such as advertising, that can vary by manufacturer or region, or costs for selling, preparing, displaying or financing the vehicle. Images displayed may not be representative of the actual trim level of a vehicle. Colors shown are the most accurate representations available. However, due to the limitations of web and monitor color display, we cannot guarantee that the colors depicted will exactly match the color of the car. Information provided is believed accurate but all specifications, pricing, and availability must be confirmed in writing (directly) with the dealer to be binding. Neither the Dealer nor Catalyst IQ is responsible for any inaccuracies contained herein and by using this application you the customer acknowledge the foregoing and accept such terms.

Net Price DOES NOT include dealer or vendor installed upgrades, accessories, or added after market items. Those products are OPTIONAL and can be purchased for an additional cost. Call For Details!*

Final prices are price shown plus government fees and taxes, any finance charges, any dealer document preparation charge, and any emission testing charge.

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