Audi A6 C9 Limousine
Weaknesses, engine ratings and buying advice
367 PS
Elektromotor Dual Elektro
Sporting character — driving fun guaranteed
Fun to Drive!Engine Overview
The Audi A6 C9 Limousine is available with 2 engine variants — from 252 to 367 hp.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| Recall: Digital Instrument Cluster Can Go Black On 2021 Audi models (predecessor platform to the C9), the digital instrument cluster can suddenly go dark due to increased connection resistance in the cable. Audi resolves this via a software update reducing sensitivity to voltage fluctuations. Symptoms: Instrument cluster display goes suddenly black while driving or on startup. | Low | |
| Recall: PHEV Battery Overheating Risk During Charging KBA action 93AD affects plug-in hybrid A6, A7, Q5 from production period 08/2019–08/2024. Cell modules in the high-voltage battery can overheat during charging and cause a vehicle fire. Software update as solution (approx. 60 min workshop visit). Symptoms: Unusual smells or heat generation during charging. | Low |
Frequently Asked Questions
What problems and weaknesses does the Audi A6 C9 Limousine have? +
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Last updated: February 2026 · All information without guarantee