How reliable is the Porsche Cayman?
Owner-reported reliability data: inspection results, typical mileage, and the most common failures.
The Porsche Cayman consistently passes first-time inspections at an above-average rate. The most commonly reported issues are tyre tread depth not in accordance with the requirements, a tyre seriously damaged, a tyre seriously damaged. Typical mileage by age and a year-by-year breakdown of reliability are shown below. All figures are owner-reported real-world data, not a marketing rating.
Above average reliability
Based on 4,617 inspection tests. First-time pass rate: 95.6%.
Porsche Cayman reliability by year
How the Porsche Cayman performs at first-time inspection, broken down by the year cohort. Empty cells mean we don't have enough owner-reported data for that year yet.
| Year cohort | Pass rate | Typical mileage @ 5 yrs |
|---|---|---|
| 2005 | 84.4% | – |
| 2006 | 83.7% | – |
| 2007 | 85.5% | – |
| 2008 | 85.8% | – |
| 2009 | 92.3% | – |
| 2010 | 89.6% | – |
| 2011 | 91.3% | – |
| 2012 | 95.2% | – |
| 2013 | 94% | – |
| 2014 | 93.9% | – |
| 2015 | 95.8% | – |
| 2016 | 96% | – |
| 2017 | 95.4% | 44,387 km |
| 2018 | 95.6% | 39,682 km |
| 2019 | 95.7% | 38,239 km |
| 2020 | 96.7% | 21,276 km |
| 2021 | 97.2% | – |
Model-level pattern, not per-car prediction
These figures describe the Porsche Cayman as a model. The reliability of any individual Porsche Cayman also depends on service history, accident history, and how it was driven. Run a free VIN check to see the records attached to a specific car you're considering.
Frequently asked questions
Is the Porsche Cayman reliable?
Based on owner-reported inspection records, the Porsche Cayman consistently passes first-time inspections at an above-average rate. Its first-time inspection pass rate sits around 96%. Reliability varies by year and engine: see the year-by-year breakdown on this page for the specific cohort you're considering.
What are the common problems on the Porsche Cayman?
The most common owner-reported issues are: Tyre tread depth not in accordance with the requirements (1.3% of inspections); A tyre seriously damaged (0.5% of inspections); A tyre seriously damaged (0.3% of inspections); The aim of a headlamp is not within limits laid down in the requirements (0.3% of inspections); Number plate does not conform to the specified requirements (0.3% of inspections).
What mileage is normal for a Porsche Cayman?
For a typical Porsche Cayman, owner-reported average mileage works out to about – at 3 years, 39,682 km at 5 years, and – at 10 years. The mileage section on this page shows the full distribution, high-use vs low-use cars often differ by a factor of three.
How do I check a specific Porsche Cayman before buying?
Enter the 17-character VIN on Carlytics. The free check shows decoded specs and open safety recalls. The full vehicle history report (from EUR 8.90) cross-references owner-reported issues, mileage records, and stolen-vehicle databases for the specific car, model-level reliability tells you the pattern, the VIN check tells you the car.