REAL DEALER INVENTORY · ONE PREMIUM MARKETPLACE
Sell My Car
← All vehicles
Auto Mall · Brattleboro, VT

2026 GMC Sierra 2500 HD AT4

9 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
TrimAT4
Stock numberG26320
Mileage9 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorSterling Metallic
InteriorJet Black with Kalahari accents, Perforated Front
Doors4

Vehicle description

Sterling Metallic 2026 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.

Features & options (144)

  • Basic
  • Corrosion
  • Maintenance
  • Roadside Assistance
  • Max seating capacity
  • Fuel System
  • Fuel tank capacity
  • Horsepower
  • Towing capacity
  • 13.4" diagonal GMC Premium Infotainment System with Google built-in
  • Bluetooth
  • Bose Premium Sound System
  • SiriusXM with 360L Trial Subscription
  • Wi-Fi Hotspot capable
  • Wireless phone projection
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • 20" LT275/65R20 BF Goodrich off-road T/A K blackwall tires
  • 20" high gloss Black aluminum wheels
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • Black beltline moldings
  • Body-color door handles
  • Body-color front bumper
  • Body-color rear bumper
  • Cab-mounted cargo area lamps
  • Cargo bed LED lighting
  • Cargo tie-downs
  • CornerStep rear bumper
  • Deep-tinted glass
  • Front license plate bracket
  • GMC MultiPro Tailgate
  • High gloss Black mirror caps
  • IntelliBeam
  • LED fog lamps
  • Off-Road High Clearance Steps
  • Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
  • Power sunroof
  • Rainsense automatic wipers
  • Rear wheelhouse liners
  • Side Bed Step
  • Smoked Amber LED roof marker lamps
  • Spare tire carrier lock
  • Spray-on bedliner
  • Tailgate and bed rail protection caps
  • Tailgate with EZ Lift assist, power lock & release
  • Winter Grille Cover
  • 10-way power driver seat with power lumbar
  • 10-way power front passenger seat
  • 12.3" diagonal color Driver Information Center
  • 120-volt box-mounted power outlet
  • 120-volt power outlet
  • Adaptive Cruise Control
  • Assist handles
  • Carpeted floor covering
  • Compass
  • Driver memory
  • Dual-zone automatic climate control
  • Front bucket seats
  • Front center console
  • Head-Up Display
  • Heated driver and front outboard passenger seats
  • Heated rear outboard seats
  • Heated steering wheel
  • Inside rearview auto-dimming mirror
  • Keyless Open and Start
  • Manual tilt and telescoping steering column
  • Outside temperature display
  • Power door locks
  • Power sliding rear window with rear defogger
  • Power windows with driver and front passenger express-up/down
  • Power windows with driver express-up/down
  • Power windows with rear express-down
  • Premium front floor liners with removable carpet insert
  • Premium rear floor liners with removable carpet insert
  • Rear Camera Mirror
  • Rear Seat Reminder
  • Rear air vents
  • Rear window defogger
  • Remote Start
  • Steering-wheel mounted controls
  • Theft-deterrent unauthorized entry system
  • USB ports
  • Universal Home Remote
  • Up-level rear seat with storage package
  • Upfitter switches
  • Ventilated driver and front passenger seats
  • Wireless Charging
  • Wrapped steering wheel
  • 10-speed automatic transmission
  • 11,350 lbs. GVWR
  • 3.42 rear axle ratio
  • 4-wheel antilock disc brakes
  • 6.6L Duramax Turbo-Diesel V8 engine
  • Air filtration monitoring
  • Automatic locking rear differential
  • Autotrac 2-speed transfer case with push button controls
  • Brake pad wear indicator
  • Capped fuel fill
  • Diesel exhaust brake
  • Digital Variable Steering Assist
  • Dual, 220 amp primary and 170 auxiliary amp alternators
  • Engine block heater
  • External auxiliary transmission oil cooler
  • External engine oil cooler
  • Fully boxed frame
  • Gooseneck / 5th Wheel Prep Package
  • Heavy-Duty Air Filter
  • Heavy-duty dual batteries with 1460 cold-cranking amps
  • Hill Descent Control
  • In-Vehicle Trailering App
  • Integrated trailer brake controller
  • Off-Road suspension
  • Red vertical recovery hooks
  • Skid plates
  • LED Daytime Running Lamps
  • Signature LED Daytime Running Lamps
  • 6 airbags
  • Bed View Camera
  • Buckle to Drive
  • Following Distance Indicator
  • Forward Collision Alert
  • Front and Rear Park Assist
  • HD Surround Vision
  • Hitch Guidance
  • Hitch View
  • Lane Departure Warning
  • OnStar Basics
  • OnStar services capable
  • Rear Cross Traffic Alert
  • Rear Seat Belt Indicator
  • Safety Alert Seat
  • Seat Belt Adjustable Guide Loops
  • Teen Driver
  • Tire Pressure Monitoring System with Tire Fill Alert
  • Trailer Side Blind Zone Alert
  • Trailering Information Label
  • Trailering camera provisions
  • Automatic Emergency Braking
  • Front Pedestrian Braking
  • StabiliTrak, electronic stability control system with traction control
  • AT4 Preferred Package
  • AT4 Premium Plus Package
  • Snow Plow Prep / Camper Package
  • Technology Package

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 Brattleboro, Vermont
Asking price$86,406Dealer asking price · 9 mi
Market value$84,591Market value · based on 7 comparable cars
vs. market Fair price+2.1%Fair price · based on 7 comparable cars

Where this price sits

Among the highest-priced · 14% of 7 similar listings ask more than this car.

$75,909lowest$86,884highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+2.1%
−25%Market value+25%
Fair price$1,815 above the market value of $84,591

Price range

$86,406
$75,909$86,884
7th lowest price of 8 similar listings within 50 milesTick marks the market value · range of 7 similar listings

AutosXchange Insights

  • Compared with 7 new 2026 GMC Sierra 2500 AT4 listings within 50 mi.
  • Priced $1,815 above the market value of 7 comparable cars — compare options, condition and history.
  • 7th lowest price of 8 similar listings within 50 miles.
  • About 9 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # G26320 — 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 6, 2026. No price change at this dealership since Nov 6 ($86,406).0 price changes at this dealership: $86,406 → $86,406.

$86.2k$86.3k$86.4k$86.5k$86.6k$86.7kNov 6Nov 7Nov 8Nov 9Nov 10Nov 11

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

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 50 miles of Brattleboro, Vermont. All 7 comparable cars for sale, nearest first.

More GMC Sierra 2500 near Brattleboro

All years and trims. Nearest first.