Integrity Buick GMC · Chattanooga, TN

2026 GMC Sierra 2500 HD AT4

80 miles · truck

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PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimAT4

VIN1GT4UPEY3TF340144

Stock numberG26796

Mileage80 miles

BodyPickup

Engine6.6L V8 turbo

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

ExteriorSummit White

Towing18500

Vehicle description

Standard EquipmentEntertainmentWi-Fi Hotspot capable Terms and limitations apply. See onstar.com or dealer for details.May require additional optional equipmentSiriusXM with 360L Trial Subscription With your trial subscription, new GM vehicles equipped with SiriusXM with 360L advance in-car technology will bring you closer to your favorite stars, artists, creators, hosts and athletes1SiriusXM with 360L transforms your ride with our most extensive and personalized radio experience on the road that lets you enjoy ad-free music, talk and news, live sports, comedy, podcasts and moreExperience SiriusXM wherever you go in your vehicle and on the SiriusXM app with personalization features to make discovering your perfect entertainment easier than ever before13.4 diagonal GMC Premium Infotainment System with Google built-in 13.4 diagonal GMC Premium Infotainment System with Google built-in, includes multi-touch display, AM/FM/SiriusXM1 radio capable Bluetooth®2 streaming audio for music and select phones Wireless Apple CarPlay capability for compatible phones3Wireless Android Auto capability for compatible phones4Customize and manage entertainment and vehicle feature settingUse, control and manage select smartphone apps through the Infotainment system Voice-activated technology for phone Wireless phone projection For Apple CarPlay1 and Android Auto2Bluetooth® Pair your compatible mobile phone to your vehicle's infotainment system1Place and receive hands-free phone calls Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command systemWith streaming audio capability, you can listen to files stored on your phone or Bluetooth® digital media deviceSiriusXM Trial SubscriptionExteriorSpare tire carrier lock Helps keep spare tire secure Cab-mounted cargo area lamps Activated by switch located on center switch bankIlluminates the cargo bed area20 high gloss Black aluminum wheelsAnimated LED Signature Tail lamps with Stop, turn and Reverse lamps LED taillamps with LED stop lights and animation CornerStep rear bumper Helps make it easier to get into and out of the pickup bedLocated at each end of the rear bumperTextured step pads to help provide secure footingBody-color door handlesTailgate and bed rail protection capsBody-color rear bumper With integrated CornerStepsAnimated LED projectors headlamps with LED turn signals and Daytime Running LampsCargo tie-downs 12-fixed rated at 500 lbs. per cornerCargo bed LED lighting Provides light to find cargo in the bedMay require additional optional equipmentSide Bed Step Black textured step pads help provide secure footingIntegrated on forward portion of outer bed on driver and passenger side to provide ease of access to forward portion of the bedLED fog lampsBlack beltline moldings20 LT275/65R20 all-terrain, blackwall tiresRear wheelhouse liners Help protect your truck's rear wheelhouse area from damage caused by dirt, rocks, mud, road salt and the weatherMay require additional optional equipmentDeep-tinted glass Provides added protection from sun and glareGMC MultiPro Tailgate Six function tailgate designed to help improve loading, unloading and accessing the cargo boxHitch area lightingPower lock and releaseMay require additional optional equipmentHigh gloss Black mirror caps18 LT275/70R18 all-terrain, blackwall spare tire May require additional optional equipmentRainsense automatic wipers When turned on, will automatically clear the windshield when sensors detect varying degrees of precipitation on the windshieldGrille (Gloss Black header and grille insert bars with Black Chrome accents.)Spray-on bedliner Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shiftingCovers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downsChemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight sealDoes not include spray-on liner on tailgate due to Black composite inner panelIncludes GMC logo on all trims except PROTailgate with EZ Lift assist, power lock & release Hitch area lightingMay require additional optional equipmentBody-color front bumperOutside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass Chrome mirror capsAT4 and AT4X features high gloss Black mirror caps Power folding/extendingLower convex mirrorsHeated upper glassIntegrated turn signal indicatorsPuddle lampsPerimeter lightingAuxiliary lightingExtends 3.31-inchesIntelliBeam At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1Winter Grille Cover May require additional optional equipmentBlack power-retractable assist steps with LED perimeter lighting Textured step pads help provide secure footingRetracts when not in useDeploy Running Board mode for car wash cle...

Features & options (250)

Adaptive Cruise Control
Bluetooth®
Heated Steering Wheel
Remote Start
4WD/AWD
Android Auto
Apple CarPlay
Leather Seats
Wi-Fi Hotspot
Auto Dimming Mirror
Emergency Brake Assist
Lane Departure Warning
Wireless Phone Charging
Blind Spot Monitor
Forward Collision Warning
Navigation System
Parking Assistance
Rear View Camera
Tow Hitch/Tow Package
Automatic Climate Control
Entertainment System
Turbo Charged Engine
Premium Sound System
Wi-Fi Hotspot capable
May require additional optional equipment
SiriusXM with 360L Trial Subscription
13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth® streaming audio for music and select phones
Wireless Apple CarPlay capability for compatible phones
Wireless Android Auto capability for compatible phones
Customize and manage entertainment and vehicle feature setting
Voice-activated technology for phone
Wireless phone projection
For Apple CarPlay and Android Auto
Place and receive hands-free phone calls
SiriusXM Trial Subscription
Spare tire carrier lock
Helps keep spare tire secure
Cab-mounted cargo area lamps
Activated by switch located on center switch bank
Illuminates the cargo bed area
20" high gloss Black aluminum wheels
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
LED taillamps with LED stop lights and animation
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
Body-color door handles
Tailgate and bed rail protection caps
Body-color rear bumper
With integrated CornerSteps
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
Cargo tie-downs
12-fixed rated at 500 lbs. per corner
Cargo bed LED lighting
Provides light to find cargo in the bed
Side Bed Step
Black textured step pads help provide secure footing
LED fog lamps
Black beltline moldings
20" LT275/65R20 all-terrain, blackwall tires
Rear wheelhouse liners
Deep-tinted glass
Provides added protection from sun and glare
GMC MultiPro Tailgate
Hitch area lighting
Power lock and release
High gloss Black mirror caps
18" LT275/70R18 all-terrain, blackwall spare tire
Rainsense automatic wipers
Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
Spray-on bedliner
Includes GMC logo on all trims except PRO
Tailgate with EZ Lift assist, power lock & release
Body-color front bumper
Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
Chrome mirror caps
AT4 and AT4X features high gloss Black mirror caps
Power folding/extending
Lower convex mirrors
Heated upper glass
Integrated turn signal indicators
Puddle lamps
Perimeter lighting
Auxiliary lighting
Extends 3.31-inches
IntelliBeam
Winter Grille Cover
Black power-retractable assist steps with LED perimeter lighting
Textured step pads help provide secure footing
Retracts when not in use
Deploy Running Board mode for car wash cleaning
LED perimeter lighting
Power sunroof
Retracts into the roof
Offers tilt and slide features with express-open and -close
Summit White
Smoked Amber LED roof marker lamps
Roof-mounted lamps near the front of the cab
Power door locks
Rear Seat Reminder
12.3" diagonal color Driver Information Center
High definition display provides crisp, premium appearance
USB ports
(2) Data/charge ports located inside center console
Keyless Open and Start
Lockout protection helps you avoid locking keys in the vehicle
Rear air vents
Provides cabin comfort for rear occupants
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
Outside temperature display
Located in infotainment display
120-volt power outlet
3-prong auxiliary household-style outlet
Located on the instrument panel
120-volt box-mounted power outlet
Located in the pickup bed
Ventilated driver and front passenger seats
Individually controlled
Cooling feature includes both seatbacks and cushions
Steering-wheel mounted controls
Manual tilt and telescoping steering column
Rear window defogger
Power windows with rear express-down
Premium rear floor liners with removable carpet insert
Premium front floor liners with removable carpet insert
Seat trim, Perforated front Leather
You can always override the feature and take control
Front center console
Front bucket seats
10-way power front passenger seat
Includes 8-way power front passenger seat
Includes a 2-way power lumbar control
Heated driver and front outboard passenger seats
Up-level rear seat with storage package
60/40 Full-length folding bench seat
Seatback storage on left and right side
Center fold out armrest with 2 cupholders
Underseat storage (full cab width)
10-way power driver seat with power lumbar
Includes 8-way power driver seat
(2) First row, located on console
Wrapped steering wheel
Theft-deterrent unauthorized entry system
Helps deter unauthorized entry, helping to protect your vehicle
Carpeted floor covering
Color-keyed to match the interior
Compass
Located in instrument cluster
Driver memory
Inside rearview auto-dimming mirror
Power windows with driver and front passenger express-up/down
If obstruction is detected, the anti-pinch feature will auto-reverse
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
(2) Charge ports located on rear of console
Heated rear outboard seats
Passengers can manage heat settings with their own controls
Wireless Charging
Uses induction technology for select portable electronic devices
Convenient charging location
Power windows with driver express-up/down
Universal Home Remote
3-channel programmable
Head-Up Display
Multi-color 15" diagonal Head-Up Display
Adjustable vertical position and brightness of the display
Jet Black with Kalahari accents, Perforated Front Leather seat trim
Rear Camera Mirror
The feature also allows brightness, vertical tilt and zoom adjustments
Power sliding rear window with rear defogger
Four wheel drive
Hill Descent Control
Uses antilock braking to help provide a smooth, controlled descent
Activates by pushing a button below the instrument panel
Automatic locking rear differential
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
4-wheel antilock disc brakes
Heavy-Duty Air Filter
Red vertical recovery hooks
Two front frame-mounted
Autotrac 2-speed transfer case with push button controls
4-button control 2WD, Auto, 4WD, 4WD LO
2WD High for most on-road and highway situations
Automatically engages 4WD until traction is regained
Brake pad wear indicator
Fully boxed frame
Hydroformed front section
High-strength steel
Off-Road suspension
In-Vehicle Trailering App
Checklist
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
Digital Variable Steering Assist
Skid plates
Help protect the front underbody, oil pan and transfer case
Heavy-duty dual batteries with 1460 cold-cranking amps
70 Amp-hr
Maintenance-free with rundown protection and retained accessory power
Emissions, Federal requirements
11,350 lbs. GVWR
220-amp alternator
Gooseneck / 5th Wheel Prep Package
Hitch platform to accept Gooseneck or 5th wheel hitch
Box mounted 7-pin trailer harness
AT4 Preferred Package
Rear sliding power window
LED roof marker lamps
AT4 Preferred Equipment Group includes standard equipment
AT4 Premium Plus Package
Technology Package
AT4 high clearance step
AT4 Preferred Package on AT4
Option/package discount
LED Daytime Running Lamps
Signature LED Daytime Running Lamps
HD Surround Vision
Can help you park or avoid vehicles and objects
Trailering camera provisions
Includes connector for accessory wiring harness
Safety Alert Seat
You can also switch to beeping crash avoidance alerts
Trailer Side Blind Zone Alert
Hitch View
Shows a close-up view of the trailer hitch
Rear Cross Traffic Alert
Hitch Guidance
Can help you line up the hitch to your trailer
OnStar services capable
Teen Driver
Following Distance Indicator
Designed to help you maintain a safe following distance
6 airbags
Dual-stage frontal airbags for driver and front outboard passenger
Head-curtain airbags for outboard seating positions
Tire Pressure Monitoring System with Tire Fill Alert
Rear Seat Belt Indicator
Front and Rear Park Assist
These can help you park and avoid collisions
Trailering Information Label
Buckle to Drive
OnStar Basics
Drive confidently with core OnStar services including

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 100 miles of Chattanooga, Tennessee

Asking price$86,564Dealer asking price · 80 mi

Market value$78,778Market value · based on 30 comparable cars

vs. market High price+9.9%High price · based on 30 comparable cars

Where this price sits

Among the highest-priced · 13% of 30 similar listings ask more than this car.

Market value $78,778

This car$86,564

$72,713lowest$100,068highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

High price$7,786 above the market value of $78,778

Price range

$72,713$100,068

27th lowest price of 31 similar listings within 100 milesTick marks the market value · range of 30 similar listings

AutosXchange Insights

Compared with 30 new 2026 GMC Sierra 2500 AT4 listings within 100 mi.
Priced $7,786 above the market value of 30 comparable cars — compare options, condition and history.
27th lowest price of 31 similar listings within 100 miles.
About 80 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # G26796 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 7, 2026. No price change at this dealership since Nov 7 ($86,564).0 price changes at this dealership: $86,564 → $86,564.

AutosXchange Intel Hub: Price changes for this model in Tennessee · This model in the Intel Hub · Market movers in Tennessee

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 11); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2026 Sierra 2500 AT4 · new · within 100 miles of Chattanooga, Tennessee. Showing the 12 nearest of 30 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD AT4 for sale at Integrity Buick GMC in Chattanooga, TN

Fair price

21 photos