The first three characters of a VIN are the World Manufacturer Identifier (WMI). 5N1 is assigned to Nissan and Infiniti, built in United States (North America). Any VIN that starts with 5N1 decodes to Nissan and Infiniti. The sample VINs below are checksum-valid and start with 5N1.
| Field | Value |
|---|---|
| WMI | 5N1 (VIN positions 1–3) |
| Manufacturer | Nissan and Infiniti |
| Country of assembly | United States |
| Region | North America (from the first character, 5) |
| Models seen here | Murano, Pathfinder, QX60 |
Nissan test VINs · Infiniti test VINs · Decode a 5N1 VIN →
After the 5N1 WMI, positions 4–8 describe the model, body and engine; position 9 is the mod-11 check digit; position 10 is the model year; position 11 is the assembly plant; and positions 12–17 are the serial number. See the full 17-digit VIN format.
5N1 is a Nissan and Infiniti WMI. Every VIN beginning with 5N1 was built by Nissan and Infiniti and decodes to that make.
The first character 5 places the manufacturer in United States (North America region) under the VIN standard.
No. They are synthetically generated but checksum-valid and use the real 5N1 WMI, so a decoder returns Nissan and Infiniti. No real vehicle's VIN is used.