Audi Q7 4L — Reliability

4L 2007–2012 1 engine

Reliability Summary

Engine 4.0 TDI V8 — 52/100 CAUTION
Known Issues 2

Engine in this model

CAUTION 52

4.0 TDI V8

4.0 TDI V8 (BTR/CCFC/CDSB)

D3 A8, Q7. V8 diesel — enormous torque. Complex. Timing chain. 8 injectors = expensive. DPF. Linked ...

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Known Issues Across All Engines

Issue Engine Severity Onset
Timing chain complexity 4.0 TDI V8 critical 80,000 km – 150,000 km
Injector failure (8 injectors) 4.0 TDI V8 high 100,000 km – 200,000 km