2021 Audi A4 Maintenance guide

v1.0Updated Daniel Wilson4 Sources Analyzed
The 2021 Audi A4, with a 'Below Average' reliability verdict, demands diligent maintenance. Focus on ensuring all 46 recalls, particularly those concerning the rear axle lock nuts and seat belt retractors, are addressed.
Reliability Score
Est. Annual Maintenance Cost
$800 - $1,500
TSBs & Recalls
236 TSBs | 46 Recalls
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Key Takeaways
- Prioritize addressing all safety recalls, especially those affecting the rear axle and seat belts.
- The 'Below Average' reliability verdict necessitates proactive maintenance and inspection.
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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