2021 Audi S4 Maintenance guide
v1.0Updated Ethan Miller4 Sources Analyzed
The 2021 Audi S4, with a 'Below Average' reliability verdict, requires diligent maintenance. Focus on the rear suspension and seat belt systems, areas highlighted by numerous recalls, for proactive inspection.
Reliability Score
Est. Annual Maintenance Cost
$300 - $500
TSBs & Recalls
227 TSBs | 46 Recalls
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Key Takeaways
- Proactive inspection of the rear suspension and seat belt systems is crucial due to numerous recalls.
- Adherence to the 10,000-mile oil change interval with 5W-40 synthetic oil is recommended.
2 more takeaways unlock below
Critical service intervals
Common failure analysis
Symptoms and prevention guidance
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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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