World Manufacturer Identifier
TW4
UMM (Portugal) · Portugal · Europe
- WMI
- TW4
- Manufacturer
- UMM (Portugal)
- Country
- Portugal
- Region
- Europe
What this means for a VIN
Any 17-character VIN starting with TW4 was issued by UMM (Portugal) and originated in Portugal. The remaining 14 characters identify the vehicle attributes (positions 4-9), the model year (position 10), the assembly plant (position 11), and the unique serial number (positions 12-17).
← Back to WMI directory · Source: SAE International / ISO 3779. Country derived from VIN position 1.