2018 Audi A4 WAUKMAF4-J — group DB

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

What WAUKMAF4-J means

WAU: the World Manufacturer Identifier Audi registered — assembled in Germany
KMAF4: together encode the A4 line — Sedan, 2L 4cyl, Front-wheel drive — as Audi filed it, these five characters are read as one block, not letter by letter
J: in position 10 — model year 2018
9, 11–17: vehicle-specific fields: check digit, plant code and production sequence