2015 Porsche Cayman MOT pass rate: 94.6% (3,247 tests)
Is the 2015 Cayman getting worse?
Pass rate of 2015-registered cars across recent test years:
Scroll horizontally to read every trend column.
| Test year | Pass rate | Pass-rate bar |
|---|---|---|
| 2023 | 95.4% +14.8 vs same-age |
95.4% visual scale |
| 2024 | 94.0% +15.5 vs same-age |
94.0% visual scale |
| 2025 | 94.3% +17.3 vs same-age |
94.3% visual scale |
The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.
What fails on a 2015 Cayman
Scroll horizontally to read every failure column.
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 93 | 32.2% |
| 2 | Brakes | 45 | 15.6% |
| 3 | Suspension | 39 | 13.5% |
| 4 | Lamps, reflectors and electrical equipment | 39 | 13.5% |
| 5 | Visibility | 35 | 12.1% |
| 6 | Noise, emissions and leaks | 22 | 7.6% |
All Cayman years compared
Scroll horizontally to compare every registration-year column.
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2006 | 4,245 | 81.7% | +17.2 pts | 77,220 |
| 2007 | 4,063 | 83.6% | +18.4 pts | 75,866 |
| 2008 | 2,558 | 82.6% | +17.5 pts | 70,832 |
| 2009 | 1,922 | 89.5% | +23.1 pts | 64,800 |
| 2010 | 1,567 | 88.8% | +21.5 pts | 62,492 |
| 2011 | 1,505 | 90.3% | +21.2 pts | 51,630 |
| 2013 | 2,452 | 91.8% | +18.5 pts | 47,378 |
| 2014 | 3,532 | 92.8% | +17.0 pts | 43,456 |
| 2015 (this page) | 3,247 | 94.6% | +15.9 pts | 33,375 |
| 2016 | 2,912 | 94.7% | +13.4 pts | 26,817 |
| 2017 | 2,624 | 94.4% | +10.4 pts | 30,330 |
| 2018 | 3,525 | 94.5% | +8.1 pts | 26,542 |
| 2019 | 2,983 | 94.9% | +6.5 pts | 21,774 |
- Free MOT history checkThe exact car’s failures, advisories and mileage trail — sellers can’t edit it
FAQs
Is a 2015 Porsche Cayman reliable?
2015-registered examples passed 94.6% of their MOT tests (3,247 tests, 2023–2025), +15.9 points versus all UK cars registered in the same year. At roughly 11 years old with a median 33,375 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2015 Cayman?
The median tested example shows 33,375 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.
Before you agree to the work
A fault or an advisory is a quote waiting to happen. These pages set out what a garage has to tell you, what a comparable written quote should include, and what you can do if the bill is not what you agreed.
- When a repair costs more than the car — what a comparable quote should include, plus any verified UK figures we have sourced.
- Estimates, quotes and extra work — what a price has to cover, and when a garage may charge more than it first said.
- What a diagnostic test costs — what the fee should include, and when it should come off the repair.
- Tools — when to buy and when to skip — how to choose a diagnostic tool, and when a garage visit is cheaper than owning one.
- Choosing a garage you can check — what to verify before you hand over the keys.
- Your rights after a car repair — what to do when the work is not right, and how to put it in writing.
Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under the Open Government Licence v3.0.