VIN Numbers Starting With 3 — Built in Mexico
A VIN starting with 3 was almost certainly assembled in Mexico — Puebla, Aguascalientes, Silao, Salamanca, Pesquería. Mexican plants build for the US market as a matter of course, so a 3 on a US windshield is routine. What it does not tell you is where the car has been titled.
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A VIN beginning with 3 indicates assembly in Mexico when the second character falls between A and W — ISO 3779 allots 3A–3W to Mexico, 3X–37 to Costa Rica and 38–30 to the Cayman Islands. Common Mexican WMIs include 3VW (Volkswagen, Puebla), 3N1 (Nissan, Aguascalientes), 3FA (Ford, Hermosillo), 3GN (Chevrolet, Ramos Arizpe) and 3KP (Kia, Pesquería). A Mexican build code carries no implication about the vehicle's title status or import history.
Reading a Mexican-built VIN
The first character places the factory. Everything that matters about the individual vehicle comes after it.
- 1Check character two as well3 alone is not enough. 3A–3W is Mexico; 3X–37 is Costa Rica and 38–30 is the Cayman Islands. In practice virtually every 3 you meet is Mexican.
- 2Read the WMIThe three-character code names the manufacturer and usually the plant — 3VW is Volkswagen's Puebla works, 3KP is Kia in Nuevo León.
- 3Ignore the mythsThere is no evidence base for build-quality claims keyed to assembly country, and the VIN certainly does not encode one.
- 4Check the actual historyWhether the car was wrecked, branded, stolen or clocked is recorded against the VIN in title and insurance data — not in the first character.
What the code tells you
Which plant built it
Mexican assembly is spread across Puebla, Guanajuato, Nuevo León, Sonora, Coahuila and the State of México, and the WMI usually pins it down.
Contract manufacturing
3MY is a Toyota built by Mazda in Salamanca. The WMI reflects who holds the identifier, which is not always whose badge is on the car.
Heavy trucks too
3AK is Freightliner. Mexican WMIs are not limited to passenger cars — Class 8 tractors carry them as well.
Nothing about condition
Build country and vehicle condition are unrelated. Title brands, theft records and odometer history come from a history report.
VINs beginning with 3: manufacturer codes
The first three characters of the VIN are the World Manufacturer Identifier. These are the ones you are most likely to meet on a Mexican-built vehicle — a representative list, not a complete one, since a large manufacturer holds many codes across plants and vehicle classes.
| WMI | Manufacturer | Notes |
|---|---|---|
| 3VW | Volkswagen | Puebla |
| 3VV | Volkswagen | Puebla / Silao |
| 3N1 | Nissan | Aguascalientes |
| 3N6 | Nissan | Trucks, Cuernavaca |
| 3FA | Ford | Hermosillo |
| 3FT | Ford | Trucks, Cuautitlán |
| 3GN | Chevrolet | SUVs, Ramos Arizpe |
| 3GC | Chevrolet | Trucks, Silao |
| 3G1 | Chevrolet | Passenger cars |
| 3KP | Kia | Pesquería, Nuevo León |
| 3MZ | Mazda | Salamanca, Guanajuato |
| 3MY | Toyota | Built by Mazda, Salamanca |
| 3HG | Honda | Celaya, Guanajuato |
| 3CZ | Honda | SUVs, El Salto |
| 3C4 | Stellantis | Toluca |
| 3MW | BMW | San Luis Potosí |
| 3TM | Toyota | Tacoma, Tijuana |
| 3AK | Freightliner | Santiago Tianguistenco |
Decode the other sixteen characters
The country code is one character. Enter the full VIN to get the make, model, year and plant — plus title brands, theft records, accidents and open recalls.
Why so many cars sold new in the United States start with 3
Mexico is one of the largest vehicle producers in the world, and the overwhelming majority of what it builds is exported — much of it directly into the United States and Canada under the trade agreements that succeeded NAFTA. Volkswagen has built in Puebla since the 1960s; Nissan's Aguascalientes complex, Kia's Pesquería plant and BMW's San Luis Potosí works all supply North America.
The result is that a 3-prefix VIN on a US lot is an ordinary sight, including on premium nameplates. It is not a grey import, not a Mexican-market car, and not evidence of anything unusual in the vehicle's paperwork.
The one genuine subtlety is that 3 is not exclusively Mexican. ISO 3779 splits the character: 3A through 3W is Mexico, 3X through 37 is Costa Rica, and 38 through 30 is the Cayman Islands. You will very rarely meet the latter two, but a decoder that reads only the first character will get them wrong.
The question worth asking instead of "where was it built"
Assembly country is a fixed fact about a production line. It does not change, it applies identically to every unit that came off that line, and it therefore tells you nothing about the specific car you are standing next to.
The facts that do vary unit by unit are the ones recorded after the vehicle left the plant: how many owners, which states or provinces titled it, whether an insurer ever declared it a total loss, whether a lien is open against it, what the odometer read at each reported point, and whether any open safety recall applies.
Those records are keyed to the same seventeen characters. Running the VIN through a history check reads them, and turns a piece of manufacturing trivia into an actual buying decision.
Frequently Asked Questions
What does a VIN starting with 3 mean?
It means the vehicle was assembled in Mexico, provided the second character is between A and W. ISO 3779 assigns 3A–3W to Mexico, with 3X–37 going to Costa Rica and 38–30 to the Cayman Islands.
Are cars built in Mexico lower quality?
The VIN encodes no quality information, and assembly-country quality claims have no basis in the standard. Mexican plants build for the same global model programmes and the same specifications as their US and European counterparts.
Is a 3-prefix car a Mexican-market vehicle?
Usually not. Most Mexican production is exported, much of it to the United States and Canada, and those cars are sold new by franchised dealers as ordinary domestic-market vehicles.
Can I check the history of a Mexican-built car?
Yes, if it has been titled in the United States. History records follow the jurisdiction the vehicle was registered in, not the country it was assembled in.
Other country codes & related lookups
Read another country's manufacturer codes, or go straight to a full decode.
Get your full vehicle history report
Where a vehicle was built is fixed at the factory. Where it has been titled, whether it was ever written off, and what the odometer actually read are recorded against the same VIN.
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