Skip to content
CarVinVin

All VIN codes

1G4Buick

A VIN that starts with 1G4 identifies a Buick vehicle. Here is what that code tells you.

What 1G4 tells you

Manufacturer
Buick
Country
United States
Region
North America
Notes
passenger cars (LaCrosse, Regal, Lucerne)

What the rest of the VIN means

The WMI (1G4) 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 1G4?

A VIN that begins with 1G4 was made by Buick.

What country is VIN code 1G4?

The 1G4 WMI is assigned to Buick in United States.

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.