2009 Buick Lucerne 1G4HD57M-9 — group AB

16 vehicles sit in group AB of this build. Cars are filed by a fixed rule based on the VIN, so a car never moves between groups.

What 1G4HD57M-9 means

1G4
the World Manufacturer Identifier Buick registered — assembled in the United States
HD57M
together encode the Lucerne line — Sedan, 3.9L 6cyl — as Buick filed it, these five characters are read as one block, not letter by letter
9
in position 10 — model year 2009
9, 11–17
vehicle-specific fields: check digit, plant code and production sequence

Vehicles in this group

16 vehicles in this group, in fixed VIN order.

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