Does the Porsche Cayman fail the MOT on tyres more than it should?
The Porsche Cayman records 4.17 tyres failure items per 100 initial MOT tests (2019–2024), against 9.05 expected for a car of the same age mix: less than expected for its class and age (−4.88, 95% interval −5.09 to −4.67). It ranks 691 of 751 models on tyres (1 = most failures above expected).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · all models on tyres · check a Porsche Cayman by registration
What exactly fails on tyres?
The most frequent DVSA defect wording in this group on the Porsche Cayman is “Tyre tread depth not in accordance with the requirements”, recorded 1,411 times in 2019–2024.
| DVSA defect wording | Items | Per 100 tests |
|---|---|---|
| Tyre tread depth not in accordance with the requirements | 1,411 | 1.80 |
| A tyre seriously damaged | 1,119 | 1.43 |
| A tyre cords visible or damaged | 443 | 0.57 |
| A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber | 76 | 0.10 |
| A tyre pressure monitoring system malfunctioning or obviously inoperative | 67 | 0.09 |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 78,380 (initial tests) · Method: failure items (major and minor) grouped by DVSA's defect tree; wordings with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
If a Porsche Cayman gets a tyres advisory, how often does it fail next time?
5.5% of Porsche Cayman MOTs with a tyres advisory were followed by a fail in the same group at the next MOT, typically 12 months and 3,414 miles later (9,182 advisories followed).
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 9,182 (advisories followed) · Method: the same vehicles followed to their next ordinary MOT · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Porsche Cayman 2005 · Porsche Cayman 2006 · Porsche Cayman 2007 · Porsche Cayman 2008 · Porsche Cayman 2009 · Porsche Cayman 2010 · Porsche Cayman 2011 · Porsche Cayman 2012 · Porsche Cayman 2013 · Porsche Cayman 2014 · Porsche Cayman 2015 · Porsche Cayman 2016 · Porsche Cayman 2017 · Porsche Cayman 2018 · Porsche Cayman 2019 · Porsche Cayman 2020 · Porsche Cayman in the Netherlands · Porsche Cayman by postcode area · Porsche Cayman body, chassis and structure failures · Porsche Cayman brakes failures · Porsche Cayman vehicle identification failures · Porsche Cayman lamps, reflectors and electrics failures · Porsche Cayman noise, emissions and leaks failures · Porsche Cayman road wheels failures · Porsche Cayman seat belts and airbags failures · Porsche Cayman steering failures · Porsche Cayman suspension failures · Porsche Cayman visibility failures