Porsche Cayman
From 33,787 MOT tests. Above average for its class.
Common MOT failure categories
Pass rate by registration year
Newer Caymans fare better: 2021 models pass at 96.6% vs 83.2% for 2006.
What goes wrong?
The most common MOT failure reasons are tyre tread depth not in accordance with the requirements, a tyre seriously damaged and brake pipe damaged or excessively corroded. The top issue, tyre tread depth not in accordance with the requirements, caused 299 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| tyre tread depth not in accordance with the requirements | 299 |
| a tyre seriously damaged | 290 |
| brake pipe damaged or excessively corroded | 223 |
| a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 209 |
| the aim of a headlamp is not within limits laid down in the requirements | 202 |
| lambda coefficient outside the default limits or the range specified by the manufacturer | 157 |
| a spring or spring component fractured or seriously weakened | 153 |
| a suspension pin, bush or joint excessively worn | 125 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 122 |
| wiper blade missing or obviously not clearing the windscreen | 113 |
Porsche Cayman on UK roads
The fleet is shrinking: 11 scrapped or exported in the past year with only 7 newly registered, a net loss of 4.
Quarterly breakdown
| Quarter | On road | SORN | New | Gone | Net |
|---|---|---|---|---|---|
| 2025 Q3 | 9,119 | 1,435 | +1 | -11 | -10 |
| 2025 Q2 | 9,223 | 1,341 | +2 | -0 | +9 |
| 2025 Q1 | 8,740 | 1,815 | +1 | -0 | +28 |
| 2024 Q4 | 8,598 | 1,929 | +3 | -0 | +16 |
| 2024 Q3 | 9,261 | 1,250 | +1 | -0 | +23 |
| 2024 Q2 | 9,384 | 1,104 | +1 | -0 | +232 |
| 2024 Q1 | 8,952 | 1,304 | +4 | -282 | -278 |
| 2023 Q4 | 8,806 | 1,728 | +0 | -15 | -15 |
13 variants on the road
| Variant | Fuel | Licensed | Share |
|---|---|---|---|
| Cayman S | Petrol | 2,301 | 25% |
| Cayman | Petrol | 2,174 | 24% |
| Cayman S-A | Petrol | 1,604 | 18% |
| Cayman S S-A | Petrol | 1,302 | 14% |
| Cayman Gt4 | Petrol | 449 | 5% |
| Cayman Gts S-A | Petrol | 363 | 4% |
| Cayman S Tiptronic S | Petrol | 225 | 2% |
| Cayman Tiptronic S | Petrol | 162 | 2% |
| Cayman Gts | Petrol | 123 | 1% |
| Cayman R S-A | Petrol | 105 | 1% |
| Cayman R | Petrol | 95 | 1% |
| Cayman 6-Speed | Petrol | 68 | <1% |
| Cayman S Sport | Petrol | 61 | <1% |
Source: DfT vehicle licensing statistics, 2025 Q3. Crown copyright, OGL v3.0.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 96.6% | a tyre seriously damaged, tyre tread depth not in accordance with the requirements |
| 2020 | 96.4% | a tyre seriously damaged, tyre tread depth not in accordance with the requirements |
| 2019 | 94.4% | a tyre seriously damaged, tyre tread depth not in accordance with the requirements |
| 2018 | 95.1% | tyre tread depth not in accordance with the requirements, a tyre seriously damaged |
13 earlier years
| 2017 | 95.2% | tyre tread depth not in accordance with the requirements, a tyre seriously damaged |
| 2016 | 95.8% | tyre tread depth not in accordance with the requirements, number plate does not conform to the specified requirements |
| 2015 | 95.7% | wiper blade missing or obviously not clearing the windscreen, tyre tread depth not in accordance with the requirements |
| 2014 | 93.4% | tyre tread depth not in accordance with the requirements, brake pipe damaged or excessively corroded |
| 2013 | 94.5% | a tyre seriously damaged, tyre tread depth not in accordance with the requirements |
| 2012 | 95.6% | leaking brake pipe or connection on a hydraulic system, brake pipe damaged or excessively corroded |
| 2011 | 89.3% | tyre tread depth not in accordance with the requirements, brake pipe damaged or excessively corroded |
| 2010 | 88.8% | a spring or spring component fractured or seriously weakened, a tyre seriously damaged |
| 2009 | 92% | brake pipe damaged or excessively corroded, the aim of a headlamp is not within limits laid down in the requirements |
| 2008 | 87.3% | a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, the aim of a headlamp is not within limits laid down in the requirements |
| 2007 | 85.3% | a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, brake pipe damaged or excessively corroded |
| 2006 | 83.2% | a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, lambda coefficient outside the default limits or the range specified by the manufacturer |
| 2005 | 84.6% | brake pipe damaged or excessively corroded, lambda coefficient outside the default limits or the range specified by the manufacturer |
Typical mileage
Half of all Caymans tested had between 20,043 and 65,792 miles on the clock.
At 42,898 median miles, the Cayman has 0.018 failures per 10,000 miles driven.
Other Porsche models
| Porsche 911 | 90.7% |
| Porsche Macan | 93.6% |
| Porsche Cayenne | 89.5% |
| Porsche Boxster | 86.8% |
| Porsche Panamera | 92.8% |
Common questions
What is the Porsche Cayman MOT pass rate?
The Porsche Cayman has a 92.1% MOT pass rate based on 33,787 real MOT tests. This is above the national average.
What are common MOT failures on a Porsche Cayman?
The most common MOT failure on the Porsche Cayman is tyre tread depth not in accordance with the requirements, which caused 299 failures. Other common issues include a tyre seriously damaged.
How many Porsche Caymans are on UK roads?
There are 9,119 Porsche Caymans currently licensed on UK roads, with 1,435 on SORN.
What is the typical mileage of a Porsche Cayman at MOT?
The median mileage at MOT for a Porsche Cayman is 42,898 miles. The middle 50% of vehicles tested have between 20,043 and 65,792 miles.
Buying a used Cayman?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
Some links are to services we may earn from. Disclosure.
MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.