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Quelle Occasion

Photo: Charles from Port Chester, New York, CC BY 2.0, via Wikimedia Commons

Audi A6 C8 (4K) common problems

2 faults documented by at least two sources, listed by version then by mileage at onset when known.

Good choice, check first
Reliability
4.5/5

2 known faults

This guide has not been translated yet: it is shown in its original French version.

40 TDI 204 S tronic

  1. From 120,000 km

    Pompe AdBlue du 2.0 TDI

    Severity 2/3 · Costly

    CarVerif indique que la pompe AdBlue peut défaillir après 120 000 km (environ 1 500 € la réparation) et qu'Audi a émis des rappels sur le système AdBlue du 2.0 TDI entre 2019 et 2021. Source unique.

    Single source so far: to be confirmed.

    Versions
    40 TDI 204 S tronic
    Onset
    from 120,000 km
    Repair
    not documented

Price and diagnose repairs

Read fault codes

An OBD scanner plugged in under the steering wheel shows stored fault codes, even with warning lights off: useful during the test drive.

Parts and maintenance

Compare prices of parts for the Audi A6 C8 (4K) (timing, brakes, filters) to estimate the repairs to plan for.

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