Factory build sheet

2000 Audi A4

Build WAUJF78K-Y

VIN positions 1 through 8 read WAUJF78K and position 10 reads Y. Those nine characters define this build. Position 9 and positions 11 through 17 differ on every car.

Every A4 whose VIN starts WAUJF78K and carries Y in position 10 left the plant with the same engine, transmission, drivetrain and equipment listed below. We know of 1 of them.

  • Decoded Jul 7, 2026
  • 1 known VINs

Factory specification

As filed by Audi with NHTSA for this build. Fields the filing does not record are left out entirely — a missing row means no recorded value, not a missing feature.

Body & chassis

NHTSA body type
PASSENGER CAR
Manufacturer
AUDI AG

The same build, other model years

Audi used the VIN pattern WAUJF78K for 2 model years. Nothing but the year changes between these pages, so the price gap between them is depreciation on an identical car.

How this VIN pattern is read

A 17-character VIN carries two kinds of information: what was built, and which one it is. This page is the first kind — the nine highlighted positions.

Positions Characters What they encode
1–3 WAU AUDI AG · World manufacturer identifier
4–8 JF78K Model, body style, engine and restraint system
9 × Check digit — computed per vehicle, not part of the build
10 Y Model year — 2000
11 × Assembly plant
12–17 ×××××× Production sequence number, unique to each vehicle

1 vehicles carry this build

Every VIN we have decoded to WAUJF78K-Y shares the specification above.

  • 1 Known VINs

Keep going

Where this data comes from

Specification fields are decoded from the manufacturer's filings in the NHTSA vPIC database, keyed on VIN positions 1–8 and 10. We publish the filed values as they stand and leave out anything the filing does not record.

Vehicle counts come from the 1 VINs of this build we have seen in dealer inventory. They are a sample of the road population, not a production figure.