2004 Audi TT TRUTC28N-4 — all VINs

183 vehicles carry this factory build. Cars are filed by a fixed rule based on the VIN, so a car never moves between groups.

What TRUTC28N-4 means

TRU
the World Manufacturer Identifier Audi registered — the manufacturer and plant group
TC28N
together encode the TT line — Roadster, 1.8L 4cyl — as Audi filed it, these five characters are read as one block, not letter by letter
4
in position 10 — model year 2004
9, 11–17
vehicle-specific fields: check digit, plant code and production sequence

Groups

Too many vehicles to list on one page, so they are split by the next character of a fixed code derived from the VIN. Each group keeps its cars for good.

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