2005 Audi A4 WAUDF78E-5 — group B

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

What WAUDF78E-5 means

WAU: the World Manufacturer Identifier Audi registered — assembled in Germany
DF78E: together encode the A4 line — Sedan, 2L 4cyl, All-wheel drive — as Audi filed it, these five characters are read as one block, not letter by letter
5: in position 10 — model year 2005
9, 11–17: vehicle-specific fields: check digit, plant code and production sequence