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All VIN codes

W04Buick

A VIN that starts with W04 identifies a Buick vehicle. Here is what that code tells you.

What W04 tells you

Manufacturer
Buick
Country
Germany
Region
Europe
Notes
Regal (Opel/GM Rüsselsheim)

What the rest of the VIN means

The WMI (W04) is only the first 3 of 17 characters. Characters 4–9 describe the model, body and engine; character 10 is the model year; and the last characters are the unique serial number.

Decode your full VIN

Enter the full 17-character VIN to see the make, model, year, engine and official safety recalls — free.

Frequently asked questions

What car has a VIN starting with W04?

A VIN that begins with W04 was made by Buick.

What country is VIN code W04?

The W04 WMI is assigned to Buick in Germany.

How do I decode the rest of a VIN?

Enter the full 17-character VIN in our free decoder to see the model, year, engine and official safety recalls.

WMI assignments follow the ISO 3780 / SAE standard. CarVinVin is independent and not affiliated with any manufacturer.