Bill Smith Buick GMC · Cullman, AL

2026 GMC Sierra 2500 HD AT4X

10 miles · truck

1 / 24 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimAT4X

VIN1GT4UZEY3TF409880

Stock number71017

Mileage10 miles

BodyPickup

Engine6.6L V8 turbo

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

ExteriorOnyx Black

InteriorObsidian Rush, Full Grain Leather Seat Trim

Towing18500

Vehicle description

Onyx Black 2026 GMC Sierra 2500HD AT4X 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Obsidian Rush Leather, 12 Speakers, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 16-Way Power Driver Seat Adjuster with Lumbar, 16-Way Power Passenger Seat Adjuster with Lumbar, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, 220-Amp Alternator, 4-Wheel Disc Brakes, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Bed View Camera with Two Trailer Camera Provisions, Bose Premium Series 12-Speaker System, Brake assist, Buckle to Drive, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system: OnStar, Engine Block Heater, Exhaust Brake, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front Pedestrian Braking, Front Premium Floor Liners with Removable Carpet Insert, Front Rain-Sensing Wipers, Front reading lights, Front wheel independent suspension, Full Grain Leather Seat Trim, Fully automatic headlights, Garage door transmitter, Gloss Black Door Handles, Gloss Black Header Grille and Grille Insert Bars, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heads-Up Display, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver and Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, Hill Descent Control, Hitch Guidance with Hitch View, Illuminated entry, in-Vehicle Trailering System App, Inside Rearview Auo-Dimming Rear Camera Mirror, IntelliBeam Automatic High Beam on/Off, Keyless Open and Start, Lane Departure Warning System, Leather steering wheel, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Multicolor 15" Diagonal Head-Up Display, Occupant sensing airbag, Off-Road Suspension, OnStar Services Capable, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Box, Power door mirrors, Power driver seat, Power Front Passenger Windows with Express Up/Down, Power moonroof, Power passenger seat, Power Sliding Rear Window with Defogger, Power steering, Power Sunroof, Power windows, Preferred Equipment Group 4SG, Premium audio system: Premium GMC Infotainment System, Push Button Start, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rain sensing wipers, Rear Cross Traffic Alert, Rear Premium Floor Liners with Removable Carpet Insert, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Wheelhouse Liners, Rear window defroster, Remote keyless entry, Remote Vehicle Starter System, Safety Alert Seat, Security system, SiriusXM with 360L Trial Subscription, Speed control, Speed-sensing steering, Split folding rear seat, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trailer Cam Provisions and Trailer Viewing Software, Trailer Side Blind Zone Alert, Trailer Tire Pressure Monitor Sensors, Trip computer, Turn signal indicator mirrors, Ultrasonic Front and Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Variably intermittent wipers, Ventilated Driver and Front Passenger Seats, Ventilated front seat

Features & options (120)

Adaptive Cruise Control
Bluetooth®
Heated Steering Wheel
Remote Start
4WD/AWD
Android Auto
Apple CarPlay
Leather Seats
Wi-Fi Hotspot
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
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
SiriusXM Trial Subscription
Place and receive hands-free phone calls
MultiPro Audio System by Kicker
Bluetooth® compatibility for wireless playback
3.5mm and USB inputs for audio playbacks
A custom ABS baffle with full gasket sealing
A weatherproof amplifier hidden in the tailgate
SiriusXM with 360L Trial Subscription
Wireless phone projection
For Apple CarPlay and Android Auto
Wi-Fi Hotspot capable
May require additional optional equipment
IntelliBeam
GMC MultiPro Tailgate
Hitch area lighting
Power lock and release
Spray-on bedliner
Includes GMC logo on all trims except PRO
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
18" LT305/70R18 MT tires
Cab-mounted cargo area lamps
Activated by switch located on center switch bank
Illuminates the cargo bed area
Rainsense automatic wipers
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
Deep-tinted glass
Provides added protection from sun and glare
LED fog lamps
Black beltline moldings
Tailgate with EZ Lift assist, power lock & release
Body-color door handles
Body-color front bumper
Cargo bed LED lighting
Provides light to find cargo in the bed
Cargo tie-downs
12-fixed rated at 500 lbs. per corner
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
Side Bed Step
Black textured step pads help provide secure footing
Body-color rear bumper
With integrated CornerSteps
Smoked Amber LED roof marker lamps
Roof-mounted lamps near the front of the cab
Spare tire carrier lock
Helps keep spare tire secure
Tailgate and bed rail protection caps
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
Rear wheelhouse liners
18" LT305/70R18 MT spare tire
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
LED taillamps with LED stop lights and animation
Power sunroof
Retracts into the roof
Offers tilt and slide features with express-open and -close
Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
High gloss Black mirror caps
18" machined aluminum wheel with High Gloss Black accents
Winter Grille Cover
Onyx Black
Keyless Open and Start
Lockout protection helps you avoid locking keys in the vehicle
Head-Up Display
Multi-color 15" diagonal Head-Up Display
Adjustable vertical position and brightness of the display
Steering-wheel mounted controls
Leather-wrapped steering wheel
Soft, supple leather trim adds comfort to your drive
Power windows with driver express-up/down
Ventilated driver and front passenger seats
Individually controlled
Cooling feature includes both seatbacks and cushions
Manual tilt and telescoping steering column
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Premium rear floor liners with removable carpet insert
Rear window defogger

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 50 miles of Cullman, Alabama

Asking price$88,124Dealer asking price · 10 mi

Market value$87,824Market value · based on 16 comparable cars

vs. market Fair price+0.3%Fair price · based on 16 comparable cars

Where this price sits

In the typical middle range · 44% of 16 similar listings ask more than this car.

Market value $87,824

This car$88,124

$87,329lowest$100,205highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$300 above the market value of $87,824

Price range

$87,329$100,205

10th lowest price of 17 similar listings within 50 milesTick marks the market value · range of 16 similar listings

AutosXchange Insights

Compared with 16 new 2026 GMC Sierra 2500 AT4X listings within 50 mi.
Priced $300 above the market value of 16 comparable cars — compare options, condition and history.
10th lowest price of 17 similar listings within 50 miles.
About 10 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # 71017 — 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 5, 2026. No price change at this dealership since Nov 5 ($88,124).

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

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); 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 AT4X · new · within 50 miles of Cullman, Alabama. Showing the 12 nearest of 16 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD AT4X for sale at Bill Smith Buick GMC in Cullman, AL

Fair price

47 photos