Recalls have addressed potential leaks in the high-pressure fuel lines. These issues can arise from material degradation or porosity, leading to fuel seepage. Estimated repair cost: $500 - $1500.

Ignition Coil Failure

Like many modern turbocharged engines, the S8's V8 can experience ignition coil failures, leading to misfires and reduced engine performance. Estimated repair cost: $400 - $800.

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2014 Audi S8 Maintenance guide

Name: Maintenance dataset for 2014 Audi S8
Creator: Carfocal

v1.0Updated May 23, 2026Ryan Davis4 Sources Analyzed3 Critical Recalls

MAINTENANCE SUMMARY

The 2014 Audi S8 demands diligent maintenance, particularly concerning its fuel system and turbochargers, which have seen critical recalls. With a high TSB count of 317, expect frequent service needs.

View Critical Issue: Turbocharger Oil Strainer Blockage

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Reliability Score

Est. Annual Maintenance Cost

$600 - $1,000

TSBs & Recalls

317 TSBs | 5 Recalls

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Key Takeaways

Proactive maintenance is essential due to the complexity and known issues with the fuel system and turbochargers.
Regular inspections of fuel lines and turbocharger oil strainers are critical.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance