REAL DEALER INVENTORY · ONE PREMIUM MARKETPLACE
Sell My Car
← All vehicles
Schmidt Chevrolet · Mount Vernon, IL

2026 GMC Sierra 2500 HD AT4

21,354 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
TrimAT4
VIN
Stock numberMT1335A
Mileage21,354 miles
BodyPickup
Engine6.6L V8 Gas engine
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelGasoline
ExteriorOnyx Black
InteriorJet Black
Doors4

Vehicle description

Serviced here, Non-Smoker vehicle, Originally bought here, Auto Check One Owner! Navigation, Sunroof, Heated Leather Seats, GOOSENECK / 5TH WHEEL PREP PACKAGE --. Heated Rear Seat, 4x4, Alloy Wheels, Bed Liner, Trailer Hitch, LPO, OFF-ROAD HIGH CLEARANCE STEPS, AT4 PREFERRED PACKAGE, TECHNOLOGY PACKAGE WHY BUY FROM US Experience the Schmidt Chevrolet Difference OPTION PACKAGES AT4 PREMIUM PLUS PACKAGE: includes (PDO) AT4 Preferred Package, (CF5) power sunroof, (CWM) Technology Package and (VXW) AT4 high clearance step, TECHNOLOGY PACKAGE: includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display, OFF-ROAD HIGH CLEARANCE STEPS: (dealer-installed), SUNROOF, POWER, GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH.: Includes hitch platform with tray to accept ball, stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness), ONYX BLACK, AT4 PREFERRED PACKAGE: includes (UG1) Universal Home Remote, (A48) rear sliding power window and (U01) Roof Marker Lamps, AT4 PREFERRED EQUIPMENT GROUP: includes standard equipment, REAR AXLE, 3.73 RATIO, 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), GVWR, 10,850 LBS. (4921 KG): (STD), ENGINE, 6.6L V8: with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD), TRANSMISSION, 10-SPEED AUTOMATIC: (STD), UNIVERSAL HOME REMOTE.

Features & options (135)

  • 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 all-terrain, 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
  • 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
  • Ventilated driver and front passenger seats
  • Wireless Charging
  • Wrapped steering wheel
  • 10,850 lbs. GVWR
  • 10-speed automatic transmission
  • 170-amp alternator
  • 3.73 rear axle ratio
  • 4-wheel antilock disc brakes
  • 6.6L V8 Gas engine
  • Air filtration monitoring
  • Automatic locking rear differential
  • Autotrac 2-speed transfer case with push button controls
  • Brake pad wear indicator
  • Capless fuel fill
  • Digital Variable Steering Assist
  • External auxiliary transmission oil cooler
  • External engine oil cooler
  • Fully boxed frame
  • Gooseneck / 5th Wheel Prep Package
  • Heavy-Duty Air Filter
  • Heavy-duty 720 cold-cranking amps battery
  • 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
  • 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 250 miles of Mount Vernon, Illinois
Asking price$64,995Dealer asking price · 21,354 mi
Market value$72,621Market value · based on 5 comparable cars
vs. market Great deal-10.5%Great deal · based on 5 comparable cars

Where this price sits

Among the lowest-priced · 100% of 5 similar listings ask more than this car.

$64,995lowest$78,129highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-10.5%
−25%Market value+25%
Great deal$7,626 below the market value of $72,621

Price range

$64,995
$64,995$78,129
Lowest price of 6 similar listings within 250 milesTick marks the market value · range of 5 similar listings

AutosXchange Insights

  • Compared with 5 used 2026 GMC Sierra 2500 AT4 listings within 250 mi.
  • Priced $7,626 below the market value of 5 comparable cars.
  • Lowest price of 6 similar listings within 250 miles.
  • Has about 17,000 more miles than similar listings.
  • About 21,354 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # MT1335A — 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 8, 2026. No price change at this dealership since Nov 8 ($64,995).

$64.7k$64.8k$64.9k$65.0k$65.1k$65.2kNov 8Nov 10Nov 11Nov 12

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

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 AT4 · used · any miles · within 250 miles of Mount Vernon, Illinois. All 5 comparable cars for sale, nearest first.

AutosXchange Intel uses current dealer-advertised asking prices, not completed sales or appraisals. It compares the same trim and condition (new or used) where at least three are listed nationwide, and adjusts the expected price for mileage; it is not adjusted for options, condition or accident history. Similar listings are searched within 50, 100 and 250 miles of the dealer first, then the dealer's state, then nationwide. The left gauge spans ±25% of the expected price. How AutosXchange price analysis works

More GMC Sierra 2500 and other GMC near Mount Vernon

All GMC models, all years and trims. Nearest first.

2023 GMC Sierra 1500 Denali vehicle photo2023 GMC Sierra 1500 Denali33,746 miles · Mount Vernon, IL · 0 mi away$50,9952022 GMC Sierra 1500 SLT vehicle photo2022 GMC Sierra 1500 SLT91,078 miles · Mount Vernon, IL · 0 mi away$31,9952023 GMC Acadia SLT vehicle photo2023 GMC Acadia SLT95,420 miles · Mount Vernon, IL · 0 mi away$19,9952017 GMC Acadia Limited Limited vehicle photo2017 GMC Acadia Limited Limited110,232 miles · Mount Vernon, IL · 0 mi away$16,9952017 GMC Acadia Limited Limited vehicle photo2017 GMC Acadia Limited Limited129,102 miles · Mount Vernon, IL · 0 mi away$16,9992015 GMC Savana Commercial Cutaway 3500 Van 139 vehicle photo2015 GMC Savana Commercial Cutaway 3500 Van 139288,386 miles · Mount Vernon, IL · 0 mi away$10,995