1GN — Chevrolet
A VIN that begins with 1GN was built by General Motors in United States. Decode a full 1GN VIN below to get the exact make, model, engine and origin.
What 1GN means
1GN is the World Manufacturer Identifier — the first three characters of every VIN, which identify who built the vehicle and where.
How the 1GN prefix is built
Under ISO 3780, the three WMI characters break down like this:
“1” places the manufacturer in North America.
“1G” identifies the assigning country: United States.
“N” narrows it to General Motors.
Where Chevrolet 1GN vehicles are built
Vehicles with a 1GN VIN are associated with General Motors, United States. Note that a single carmaker uses different WMIs for different plants, so the 1GN prefix points to this specific origin — not simply to the Chevrolet brand.
Real decoded 1GN VINs
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More about Chevrolet VINs
See how Chevrolet structures its VINs, every common WMI prefix and where to find the number.