A high number of Technical Service Bulletins (TSBs) indicates a wide range of potential, often minor, issues that Audi has documented. These can cover electronic glitches, minor performance quirks, or fit and finish items. Estimated repair cost: Varies widely.

Some 3.0L TFSI engines can exhibit increased oil consumption over time. This is often related to PCV system issues or piston ring wear. Estimated repair cost: $1,500 - $3,000.

2018 Audi S5 Maintenance guide

Name: Maintenance dataset for 2018 Audi S5
Creator: Carfocal

v1.0Updated Jun 2, 2026Daniel Wilson4 Sources Analyzed3 Critical Recalls

MAINTENANCE SUMMARY

The 2018 Audi S5, with an average reliability verdict, demands diligent maintenance, particularly concerning its airbag system and Passenger Occupant Detection System (PODS). A high TSB count of 232 suggests numerous potential electronic and system refinements.

View Critical Issue: Passenger Occupant Detection System (PODS) Malfunction

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Reliability Score

Est. Annual Maintenance Cost

$1,000 - $1,500

TSBs & Recalls

232 TSBs | 4 Recalls

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Key Takeaways

The 2018 Audi S5 has a 'Below Average' reliability verdict, influenced by significant recall activity and a high TSB count.
Primary maintenance focus should be on the airbag system's PODS due to recall history.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance