What year Porsche Cayman S is most reliable?

Based on MOT first-test pass rates, the 2006 Porsche Cayman S has the highest pass rate at 85.0%, out of 142 vehicles tested.

What are the most common Porsche Cayman S MOT failures?

The most common Porsche Cayman S MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Porsche Cayman S — Reliability by Year

142 vehicles · MOT data 2006–2006 · first-test pass rates

This page shows MOT first-test pass rates for each year the Porsche Cayman S was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

Year	Pass rate	Avg mileage	Vehicles
2006	85.0%	59,592 mi	142

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