2021 Buick Envision LRBFZSR4-M — 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 LRBFZSR4-M means

LRB
the World Manufacturer Identifier Buick registered — assembled in China
FZSR4
together encode the Envision line — Sport Utility Vehicle (SUV), 2L, All-wheel drive — as Buick filed it, these five characters are read as one block, not letter by letter
M
in position 10 — model year 2021
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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