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2021 Audi S7 Maintenance guide

2021 Audi S7 Maintenance guide
v1.0Updated Jun 2, 2026·Ryan Davis4 Sources Analyzed5 Critical Recalls
MAINTENANCE SUMMARY

The 2021 Audi S7, with a 'Below Average' reliability verdict, presents potential ownership concerns primarily stemming from a high number of safety-critical recalls, particularly affecting seat belts and airbags, and noted suspension and electrical system issues. Proactive verification of all recall completions, especially for seat belts (21V606000), airbags (21V159000), and braking systems (23V601000), is paramount.

View Critical Issue: Airbag System Faults
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Reliability Score

6.4/ 10

Est. Annual Maintenance Cost

$1,000 - $1,500

TSBs & Recalls

247 TSBs | 57 Recalls

SummaryMaintenance & CostsCommon FailuresSymptoms & PreventionKeep ReadingFAQSources

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Key Takeaways

  • Reliability is rated 'Below Average', with significant recall activity.
  • Prioritize verification of all safety recalls, especially for seat belts and airbags.

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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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Buyer Report

Full ownership breakdown for the 2021 Audi S7.

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Quick links for routine service and common repair parts.

  • 5W-40 Synthetic Oil
  • Oil Filter
  • Cabin Air Filter
  • Engine Air Filter
  • DOT 4 Brake Fluid

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