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2021 Audi RS 6 Avant Maintenance guide

2021 Audi RS 6 Avant Maintenance guide
v1.0Updated Jun 2, 2026·Ryan Davis4 Sources Analyzed7 Critical Recalls
MAINTENANCE SUMMARY

The 2021 Audi RS 6 Avant demands meticulous attention, particularly concerning its potent 4.0L V8 engine and complex all-wheel-drive system. While consumer complaints are zero, a high number of recalls (60) and TSBs (264) indicate potential for issues, especially with safety-critical systems like airbags and seat belts, and electrical components.

View Critical Issue: Engine Recalls (Cracked Cylinder Bore)
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Reliability Score

5.9/ 10

Est. Annual Maintenance Cost

$1,000 - $1,800

TSBs & Recalls

264 TSBs | 60 Recalls

SummaryMaintenance & CostsCommon FailuresSymptoms & PreventionKeep ReadingFAQSources

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Key Takeaways

  • Proactive attention to the 4.0L V8 engine is paramount, especially regarding recall campaigns for potential cylinder bore issues.
  • While consumer complaints are absent, a high volume of recalls and TSBs suggests a need for diligent service and inspection.

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Critical service intervals
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MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

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Quick links for routine service and common repair parts.

  • 5W-40 Synthetic Oil
  • Oil Filter
  • Synthetic Engine Oil
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  • Engine Air Filter

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