Rear Seat Belt Retractor Malfunction

Recalls indicate potential issues with rear seat belt retractors failing to lock properly, which is a significant safety concern, especially for child restraint systems. This is a manufacturing defect that requires inspection and potential replacement. Estimated repair cost: $200 - $600.

Rear Lighting Harness Issues

A recall addresses potential issues with the rear light wiring harness protection, which could lead to short circuits. This requires inspection and potential repair or rerouting of the harness. Estimated repair cost: $100 - $400.

Rearview Camera Software Malfunction

A recall addresses rearview camera display malfunctions due to software issues. This is typically resolved with a software update. Estimated repair cost: $100 - $300.

CARFOCALvehicle research

2021 Audi RS 5 Maintenance guide

Name: Maintenance dataset for 2021 Audi RS 5
Creator: Carfocal

v1.0Updated Jun 2, 2026Daniel Wilson4 Sources Analyzed

MAINTENANCE SUMMARY

The 2021 Audi RS 5's maintenance demands are shaped by its performance-oriented nature and a notable number of recalls, particularly concerning rear seat belt retractors and rear axle lock nuts. Vigilant adherence to service schedules and prompt attention to recall items are paramount.

View Critical Issue: Rear Axle Lock Nut Failure

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Reliability Score

Est. Annual Maintenance Cost

$500 - $1,000

TSBs & Recalls

223 TSBs | 48 Recalls

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Key Takeaways

The 2021 Audi RS 5 has a 'Below Average' reliability verdict.
A high number of recalls (48) exist, with significant focus on seat belts and rear axle components.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance