The first three characters of a VIN are the World Manufacturer Identifier (WMI). 1G1 is assigned to Chevrolet, built in United States (North America). Any VIN that starts with 1G1 decodes to Chevrolet. The sample VINs below are checksum-valid and start with 1G1.
| Field | Value |
|---|---|
| WMI | 1G1 (VIN positions 1–3) |
| Manufacturer | Chevrolet |
| Country of assembly | United States |
| Region | North America (from the first character, 1) |
| Models seen here | Malibu, Camaro, Corvette |
Chevrolet test VINs · Decode a 1G1 VIN →
After the 1G1 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.
1G1 is a Chevrolet WMI. Every VIN beginning with 1G1 was built by Chevrolet and decodes to that make.
The first character 1 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 1G1 WMI, so a decoder returns Chevrolet. No real vehicle's VIN is used.