Recalls indicate potential issues with the fuel system, specifically related to structural integrity and fuel leak risks in certain scenarios. This could stem from component integrity or assembly processes. Estimated repair cost: $500 - $1500.

Airbag Sensor Malfunction

Recalls have addressed improperly tightened side impact sensors, which can affect the proper deployment of airbag systems. This points to potential manufacturing or assembly process control issues. Estimated repair cost: $300 - $800.

With 171 Technical Service Bulletins (TSBs), the 718 Cayman indicates numerous minor issues or potential concerns that the manufacturer has documented. These often address drivability quirks, electronic glitches, or minor component adjustments. Estimated repair cost: $100 - $1000+.

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2018 Porsche 718 Cayman Maintenance guide

Name: Maintenance dataset for 2018 Porsche 718 Cayman
Creator: Carfocal

v1.0Updated Jun 17, 2026Ryan Davis4 Sources Analyzed2 Critical Recalls

MAINTENANCE SUMMARY

The 2018 Porsche 718 Cayman presents an average reliability score of 6.8, with a high TSB count of 171 suggesting numerous minor attention points. Key concerns revolve around potential issues with the fuel system and airbag sensors, as indicated by recalls.

View Critical Issue: Fuel System Leaks

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Reliability Score

Est. Annual Maintenance Cost

$1,000 - $2,000

TSBs & Recalls

171 TSBs | 3 Recalls

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Key Takeaways

The 2018 Porsche 718 Cayman has an average reliability rating, influenced by a high number of Technical Service Bulletins (TSBs).
Potential concerns include fuel system integrity and airbag sensor installation, as noted in recall data.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance