Audi A6 C6 — Reliability

C6 2008–2010 1 engine

Reliability Summary

Engine 5.0 V10 TT (BUH) — 48/100 CAUTION
Known Issues 3

Engine in this model

CAUTION 48

5.0 V10 TT (BUH)

5.0 V10 Twin-Turbo RS6 C6

RS6 C6. Twin KKK K24 turbos on Lamborghini V10 block. Most powerful Audi estate ever. Turbo failure,...

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Known Issues Across All Engines

Issue Engine Severity Onset
Twin turbo failure (K24) 5.0 V10 TT (BUH) critical 60,000 km – 120,000 km
Cooling system under stress 5.0 V10 TT (BUH) high 60,000 km – 120,000 km
Carbon buildup (DI V10) 5.0 V10 TT (BUH) high 60,000 km – 120,000 km