Audi RS6 reliability: common problems by model year

Across 3 model years, the Audi RS6 has 54 owner-filed NHTSA complaints and 15 recalls on record. The most-reported areas are suspension and fuel system. 2003 drew the most complaints (48), 2021 the fewest of the years on the road 3+ years (4).

3
Model years tracked
54
Owner complaints
15
Recalls
4
Median per year

Source: NHTSA complaints and recalls filed for Audi RS6 vehicles (US, public record).

Which RS6 years have the most problems?

Complaint volume by model year. Raw NHTSA totals, not adjusted for sales volume or time on the road, so older and higher-selling years accumulate more. Every year links to its full breakdown.

YearComplaints
20242
20214
200348

Highest: 2003 (48 complaints). Lowest: 2021 (4).

Where owners report problems

suspension31
fuel system6
power train5
gasoline5
electrical system4

What owners say

Sentiment is deeply polarized, split between immense emotional appeal and significant reliability concerns.

  • Very frequentElectrical system failures

    Causing repeated breakdowns and flatbed tows on new vehicles.

  • Very frequentWater pump failures

    Multiple replacements reported on the same vehicle.

  • RecurrentOil and coolant leaks

    Specifically from the water pump, oil filter housing, and rear differential pressure limiting valves, noted as a known issue on 2021 models.

  • RecurrentInfotainment system quality

    Described as absolutely sucking, with poor responsiveness.

  • RecurrentInterior squeaks and rattles

    Particularly from the center console, though often addressed under warranty.

Owner insights cover all generations of the RS6. Individual model years are broken down above.

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