VIN patterns under 1GM

2 vehicles carry a VIN starting with 1GM that the manufacturer's filing does not cover. Each row below is one undecoded pattern: the first eight characters of the VIN plus its model-year code.

Undecoded patterns

1GMDV23W 7 1 vehicle
1GM5K8GT J 1 vehicle

A pattern leaves this list the night after the manufacturer's filing catches up — it gets its own build sheet then. This page stays either way.