2011 Buick Regal W04GR5EC-B — all VINs
1,117 vehicles carry this factory build. Cars are filed by a fixed rule based on the VIN, so a car never moves between groups.
What W04GR5EC-B means
- W04
- the World Manufacturer Identifier Buick registered — assembled in Germany
- GR5EC
- together encode the Regal line — Sedan, 2.4L 4cyl — as Buick filed it, these five characters are read as one block, not letter by letter
- B
- in position 10 — model year 2011
- 9, 11–17
- vehicle-specific fields: check digit, plant code and production sequence
Groups
Too many vehicles to list on one page, so they are split by the next character of a fixed code derived from the VIN. Each group keeps its cars for good.