2021 Audi S4 WAUC4AF4-M — group B
9 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 WAUC4AF4-M means
- WAU
- the World Manufacturer Identifier Audi registered — assembled in Germany
- C4AF4
- together encode the S4 line — Sedan, 3L 6cyl, All-wheel drive — as Audi 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
9 vehicles in this group, in fixed VIN order.
