A critical recall (15V019000) addressed potential fuel leaks from the fuel injection system's fuel rail. This poses a fire hazard. While addressed by recall, the underlying cause of degradation or seal failure may warrant ongoing vigilance. Estimated repair cost: $500 - $1,500.

The 2011 Audi S4 has a very high number of Technical Service Bulletins (TSBs), indicating numerous potential issues that may not be safety-critical but can affect performance, emissions, or comfort. These often relate to engine management, electrical systems, or complex component interactions. Estimated repair cost: $100 - $1,000+.

Some 3.0L supercharged engines can exhibit increased oil consumption, particularly as they age. This can be due to worn piston rings or valve stem seals. Estimated repair cost: $1,000 - $3,000+.

2011 Audi S4 Maintenance guide

Name: Maintenance dataset for 2011 Audi S4
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed1 Critical Recalls

MAINTENANCE SUMMARY

The 2011 Audi S4 demands diligent maintenance, particularly concerning its fuel system due to a critical recall for fuel leaks. With a high TSB count of 460, proactive inspections of the fuel rails and seals are essential.

View Critical Issue: Fuel Rail Leaks

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Reliability Score

Est. Annual Maintenance Cost

$600 - $1,200

TSBs & Recalls

460 TSBs | 1 Recalls

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Key Takeaways

Prioritize fuel system inspections due to a critical recall for fuel rail leaks.
Expect a higher maintenance burden due to a significant number of Technical Service Bulletins (TSBs).

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance

2011 Audi S4 Maintenance guide

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed1 Critical Recalls

MAINTENANCE SUMMARY

View Critical Issue: Fuel Rail Leaks

Subscribe to Recall Alerts Subscribe to Recall Alerts

Reliability Score

Est. Annual Maintenance Cost

$600 - $1,200

TSBs & Recalls

460 TSBs | 1 Recalls

CarFocal account required

Unlock the Full 2011 Audi S4 Maintenance Guide

Create a free account to reveal the full service schedule, repair costs, and deeper diagnostic data.

Key Takeaways

Prioritize fuel system inspections due to a critical recall for fuel rail leaks.
Expect a higher maintenance burden due to a significant number of Technical Service Bulletins (TSBs).

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance