Audi A4 B5 — Reliability

B5 1998–2001 1 engine

Reliability Summary

Engine 2.5 TDI V6 — 70/100 ACCEPTABLE
Known Issues 3

Engine in this model

ACCEPTABLE 70

2.5 TDI V6

2.5 TDI V6 (AFB/AKN/AKE/AYM/BAU/BCZ/BDG/BDH/BFC)

Audi-designed 2.5 V6 diesel with a Bosch VP44 pump, used in the A4, A6, A8, Passat B5 and Superb. It...

View details →

Known Issues Across All Engines

Issue Engine Severity Onset
Camshaft and rocker-arm wear (early engines with sliding rocker arms) 2.5 TDI V6 critical 150,000 km – 200,000 km
Bosch VP44 injection pump failure 2.5 TDI V6 moderate —
Variable-geometry turbo wear at high mileage 2.5 TDI V6 minor 200,000 km