A Pontiac Trans Sport VIN opens with 1GM (the United States). Position 11, the plant, shows 3 codes, most often D (75%); a 1991 Trans Sport carries M in position 10. Decoding one also brings up 11 recall campaigns and 467 owner complaints from NHTSA.
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How to read a Pontiac Trans Sport VIN
Here is a real 1991 Pontiac Trans Sport VIN from our database, split into its parts:
VIN 1GMCU06D7MT206833 — decoded free on its own report page.
| Position | Section | What it tells you |
|---|---|---|
| 1–3 | WMI | World Manufacturer Identifier — country, manufacturer and vehicle type. |
| 4–8 | VDS | Vehicle Descriptor Section — body style, engine, restraint system, series. |
| 9 | Check digit | A calculated digit that validates the whole VIN. Wrong digit = wrong VIN. |
| 10 | Model year | One character for the model year. Letters skip I, O, Q, U and Z. |
| 11 | Plant | The assembly plant that built the car. |
| 12–17 | Serial | Sequential production number of this exact vehicle. |
Where Pontiac Trans Sport VINs say the car was built
The first three characters are the World Manufacturer Identifier. Across 1 Pontiac Trans Sport VINs we have on file, these are the codes that actually show up — and the plants behind them:
| WMI | Built in | Vehicle type | VINs on file | Share |
|---|---|---|---|---|
| 1GM | United States | — | 1 |
Country and vehicle type come from the NHTSA manufacturer registry. Share is measured across VINs decoded on ForCar, not production volume.
Model-year codes for the Pontiac Trans Sport
Position 10 carries the model year, skipping I, O, Q, U and Z. The alphabet comes round every 30 years. The Pontiac Trans Sport was built in 1991 only, which reads M:
| Model year | VIN character (position 10) | Same character as |
|---|---|---|
| 1991 | M | — |
Body and engine characters we see on Pontiac Trans Sport VINs
Positions 4–8 are the maker's own build code. Across 1 VINs the Pontiac Trans Sport uses 3 different characters in positions 4, 5 and 8:
| Position | Characters seen on real VINs | Variety |
|---|---|---|
| 4 — body | C (100%) | 1 distinct |
| 5 — series | U (100%) | 1 distinct |
| 8 — engine | D (100%) | 1 distinct |
What a decoded Pontiac Trans Sport VIN gets you
Behind a Pontiac Trans Sport VIN: 467 owner complaints and every recall campaign NHTSA has on record:
| Data | For this model | Source |
|---|---|---|
| Recall campaigns | 11 campaigns | NHTSA |
| Owner complaints | 467 filed | NHTSA |
| Fuel economy | 18 mpg combined (avg) | EPA |
Where to find the VIN on a Pontiac Trans Sport
A Pontiac Trans Sport VIN normally opens with 1GM; the full number sits in four places, and all four must match.
| Where | How to see it | Why it matters |
|---|---|---|
| Dashboard, driver side | Through the windshield, bottom corner | Easiest to check before you touch anything |
| Driver door jamb | Open the door, sticker on the pillar | Also lists tire pressures and build date |
| Under the hood | Firewall or strut tower plate | Survives a windshield replacement |
| Title and insurance | Paper documents | Must match the car — a mismatch means fraud or a swapped panel |
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Frequently asked questions
Is this Pontiac Trans Sport VIN decoder free?
Yes, with no account. Besides the year, plant and build characters it shows 11 recall campaigns and 467 owner complaints NHTSA holds on the Pontiac Trans Sport.
What year is my Trans Sport by its VIN?
Read position 10: a 1991 Trans Sport carries M.
Where was my Trans Sport built?
Position 11 names the plant. Across 467 dated Pontiac Trans Sport VINs it reads D 75%, T 22%, 2 2%.
What does position 4 mean on a Pontiac Trans Sport VIN?
It is part of the maker's own build code, so read it against this model, not a generic chart. On 1 Pontiac Trans Sport VINs here, C is the most common character in position 4, on 100% of them.
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