VIN

AM General VIN Decoder

Decode any AM General VIN free — model year, assembly plant, engine and body codes. Pick a model below for the codes that apply to it specifically.

NHTSA · ISO 3779 · 0 models · Updated Sep 29, 2026
Quick answer

A AM General VIN is 17 characters. Positions 1–3 say who built it and where, 4–8 describe the body and engine, 9 is a check digit, 10 is the model year, 11 is the plant, and 12–17 are the serial number. On a AM General those first three characters are almost always 57W — 100% of the 1 VINs decoded here start with one of them.

How to read a AM General VIN

Here is a real 2016 AM General VIN from our database, split into its parts:

1–3 · WMI57W
4–8 · VDSMD2C6
9 · CheckX
10 · YearG
11 · PlantM
12–17 · Serial100297

VIN 57WMD2C6XGM100297 — decoded free on its own report page.

FIG.01·AM General VIN structure
PositionSectionWhat it tells you
1–3WMIWorld Manufacturer Identifier — country, manufacturer and vehicle type.
4–8VDSVehicle Descriptor Section — body style, engine, restraint system, series.
9Check digitA calculated digit that validates the whole VIN. Wrong digit = wrong VIN.
10Model yearOne character for the model year. Letters skip I, O, Q, U and Z.
11PlantThe assembly plant that built the car.
12–17SerialSequential production number of this exact vehicle.
ROWS 6·SOURCE ISO 3779 / NHTSA vPIC

Which AM General is it? Read the first three characters

Characters 1–3 are the World Manufacturer Identifier, and AM General runs 1 of them, every one assembled in the United States — on this brand the prefix settles the body type rather than the country. Counted across 1 AM General VINs decoded here:

FIG.02·AM General VIN prefixes and the models behind them
WMIBuilt inVehicle typeModels under this codeVINs on file
57WUnited StatesPassenger CarMV-11
ROWS 1·SOURCE NHTSA vPIC · ForCar decoded VINs

Country and vehicle type come from the NHTSA manufacturer registry; the model column is counted from AM General VINs decoded on ForCar, so it reflects what people actually own, not the full production catalogue.

Model-year codes for AM General

Position 10 carries the model year, skipping I, O, Q, U and Z. The alphabet comes round every 30 years, which AM General has not yet outlived — its 1 years still map one-to-one. All 1 model years of AM General, 2016 to 2016, with the character each one carries:

FIG.03·AM General VIN model-year codes
Model yearVIN character (position 10)Same character as
2016G—
ROWS 1·SOURCE ISO 3779

When two years share a character, the check digit and serial range tell them apart — that is what the decoder does automatically.

Body and engine characters we see on AM General VINs

Positions 4 through 8 describe the build, and manufacturers assign them themselves — the same letter means different things on different marques. Across 1 VINs AM General uses 3 different characters in these three slots alone — the ones below, ordered by how much of the AM General fleet each covers:

FIG.04·AM General VIN body and engine characters
PositionCharacters seen on real VINsVariety
4 — bodyM (100%)1 distinct
5 — seriesD (100%)1 distinct
8 — engine6 (100%)1 distinct
ROWS 3·SOURCE ForCar decoded VINs

A character that dominates the column usually marks the body style the model was mostly sold in; a spread across several means multiple bodies or engines shared the same platform.

What a decoded AM General VIN gets you

Reading the characters is the easy part — the reason to decode a VIN is what sits behind it. Here is what a decoded VIN opens up:

FIG.05·AM General data available by VIN
DataFor this brandSource
VINs already decoded1 AM General VINs on fileForCar
ROWS 1·SOURCE NHTSA · EPA · ForCar

Where to find the VIN on a AM General

Before hunting for the plate, know what you are looking for: a genuine AM General VIN opens with one of 57W. Four places on a AM General carry that number, and all four must read the same — a mismatch on this brand is where fraud shows itself first.

FIG.06·AM General VIN locations
WhereHow to see itWhy it matters
Dashboard, driver sideThrough the windshield, bottom cornerEasiest to check before you touch anything
Driver door jambOpen the door, sticker on the pillarAlso lists tyre pressures and build date
Under the hoodFirewall or strut tower plateSurvives a windshield replacement
Title and insurancePaper documentsMust match the car — a mismatch means fraud or a swapped panel
ROWS 4·SOURCE ForCar
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Frequently asked questions

Is this AM General VIN decoder free?

Yes — decoding a AM General VIN costs nothing and needs no account. You get the year, plant, body and engine characters, plus recalls and owner complaints filed with NHTSA.

What do the first three characters of a AM General VIN mean?

That block is the World Manufacturer Identifier, and on a AM General it resolves to one of 1 codes — each tying the car to a plant country and a body type before you read any further. The ones that turn up most on AM General VINs here are 57W (United States — MV-1). The full list, with the models built under each, is in the table above.

Where was my AM General built?

Character 11 names the plant, but the country is already set by characters 1–3. Of the 1 AM General VINs decoded on ForCar, assembly splits as United States 100%. Match your first three characters to the table above to see which one is yours.

How many characters is a AM General VIN?

Seventeen, on every AM General built from 1981 onwards, when the 17-character format became mandatory in the US. The oldest AM General VIN on file here is a 2016, so everything in our AM General data already uses the modern layout.

Why do two AM General model years share the same VIN character?

Position 10 cycles through the alphabet every 30 years, skipping I, O, Q, U and Z. A 1995 and a 2025 car can carry the same letter. The check digit and serial range separate them.

Can a AM General VIN tell me if the car was in an accident?

Not from the characters themselves — they describe how the AM General left the factory, not what happened to it afterwards. Crash and title records sit in separate databases keyed to the same number. Run the number through our VIN check to see what is on the record for it.

Do the body and engine characters mean the same thing on every AM General?

No, and that is the usual mistake — positions 4–8 are assigned per model, not per brand. A letter that means one body on a AM General means something else entirely on another marque. On AM General VINs the character that dominates position 4 is M — read it against the table above, not against a generic chart.

What if the VIN on the dashboard doesn't match the door jamb?

Treat it as a red flag on any car, and on a AM General check the prefix first: if the first three characters are not one of the 1 codes listed above, the plate did not come from this brand at all. Beyond that, mismatched plates mean either a replaced panel or a tampered identity — ask for documents and verify before any money changes hands.

VIN structure per ISO 3779 and NHTSA vPIC. Plant, body and engine characters observed across 1 decoded VINs on ForCar; recalls and complaints from NHTSA. Last updated Sep 2026. — ForCar Reviewed by , founder of ForCar.
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