What year Porsche Cayman is most reliable?

Based on MOT first-test pass rates, the 2022 Porsche Cayman has the highest pass rate at 97.3%, out of 459 vehicles tested.

What are the most common Porsche Cayman MOT failures?

The most common Porsche Cayman 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 — Reliability by Year

17,094 vehicles · MOT data 2005–2022 · first-test pass rates

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

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Best pass rate year

2022

97.3% pass rate · 459 vehicles

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Lowest pass rate year

2005

83.6% pass rate · 240 vehicles

Year	Pass rate	Avg mileage	Vehicles
2022	97.3%	11,305 mi	459
2021	97.2%	14,056 mi	478
2020	96.3%	15,919 mi	527
2019	95.7%	19,724 mi	1,217
2018	95.0%	21,769 mi	1,424
2017	95.6%	24,197 mi	1,105
2016	95.3%	20,384 mi	1,068
2015	95.1%	24,602 mi	1,157
2014	93.8%	32,299 mi	1,294
2013	93.5%	35,490 mi	905
2012	92.7%	37,184 mi	316
2011	91.9%	39,068 mi	582
2010	90.9%	44,406 mi	613
2009	90.6%	44,861 mi	789
2008	86.7%	49,332 mi	1,106
2007	86.2%	51,913 mi	1,811
2006	84.8%	53,472 mi	2,003
2005	83.6%	54,147 mi	240

Which year Porsche Cayman is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.

Tests range from an average of 11,305 miles (newest year) to 54,147 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Porsche Cayman.

See the buying guide →

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