The 4.2L V8 engine can develop oil leaks, often from the valve covers or oil pan. These are typically due to aging gaskets and seals. Estimated repair cost: $500 - $1500.

Carbon Buildup on Intake Valves

Direct-injection engines like the RS 5's 4.2L V8 are prone to carbon deposits on intake valves, impacting performance and efficiency. Estimated repair cost: $800 - $1500.

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2015 Audi RS 5 Maintenance guide

Name: Maintenance dataset for 2015 Audi RS 5
Creator: Carfocal

v1.0Updated Jun 2, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

The 2015 Audi RS 5, with 293 TSBs, suggests a need for diligent maintenance to address potential minor issues. While no recalls or complaints are reported, proactive attention to its 4.2L V8 engine and AM-S7 automatic transmission is advised.

View Critical Issue: DSG/S tronic Transmission Issues

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Reliability Score

Est. Annual Maintenance Cost

$500 - $800

TSBs & Recalls

293 TSBs | 0 Recalls

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Key Takeaways

The 2015 Audi RS 5 has a high TSB count, indicating potential for numerous minor issues requiring attention.
No recalls or consumer complaints were officially reported, suggesting a lack of major systemic defects.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance