The first three characters of a VIN are the World Manufacturer Identifier (WMI). 1GY is assigned to Cadillac, built in United States (North America). Any VIN that starts with 1GY decodes to Cadillac. The sample VINs below are checksum-valid and start with 1GY.
| Field | Value |
|---|---|
| WMI | 1GY (VIN positions 1–3) |
| Manufacturer | Cadillac |
| Country of assembly | United States |
| Region | North America (from the first character, 1) |
| Models seen here | Escalade, XT5, XT4 |
Cadillac test VINs · Decode a 1GY VIN →
After the 1GY 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.
1GY is a Cadillac WMI. Every VIN beginning with 1GY was built by Cadillac 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 1GY WMI, so a decoder returns Cadillac. No real vehicle's VIN is used.