Porsche Cayman MOT pass rate: 90.6% (14,165 tests, 2025)

Name: Porsche Cayman MOT statistics 2025
Creator: OBDCode UK
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

Last updated 24 August 2026 · OBDCode UK editorial

The Porsche Cayman passed 90.6% of its 14,165 MOT tests in 2025 — 13.1 points above the UK average of 77.5%. The median tested example was 11 years old with 44,652 miles on the clock.

90.6%Pass rate (2025)

14,165MOT tests analysed

44,652 miMedian mileage at test

11 yrsMedian age at test

How the Cayman compares

Porsche Cayman

90.6%

UK average (all Class 4 vehicles)

77.5% across 33.1 million tests

Porsche average (all models)

89.5%

What fails most on the Porsche Cayman

Across failed and rectified tests in 2025, these vehicle systems produced the most defects on the Cayman:

#	System	Defects recorded	Share
1	Brakes	564	21.6%
2	Lamps, reflectors and electrical equipment	555	21.3%
3	Tyres	530	20.3%
4	Suspension	350	13.4%
5	Noise, emissions and leaks	292	11.2%
6	Visibility	168	6.4%

Pre-MOT checklist for Cayman owners

Based on the failure profile above, ten minutes with a torch before your test removes the most likely fail items:

Feel for a spongy pedal or pulling to one side; check pad wear through the wheel spokes if visible
Walk round with all lights on: one blown bulb is the most avoidable fail there is
Check tread with the 20p test and inspect sidewalls for cracking — tyres close to the limit are the country’s most common advisory
Bounce each corner and listen for clonks over speed bumps — suspension is this model’s (and the UK’s) top failure system
A blowing exhaust or visible smoke will fail; warm the engine fully before the test

Engine management light on?

An illuminated engine management light is a Major MOT defect. Read the code, repair the cause, then confirm the light stays off — clearing a code alone is not a repair.

Understand the engine management light and MOT rules →

Cayman pass rate by registration year

Registration year	Tests	Pass rate	Vs same-age	Median mileage	Pass-rate bar
2006	4,245	81.7%	+17.2 pts	77,220	81.7% visual scale
2007	4,063	83.6%	+18.4 pts	75,866	83.6% visual scale
2008	2,558	82.6%	+17.5 pts	70,832	82.6% visual scale
2009	1,922	89.5%	+23.1 pts	64,800	89.5% visual scale
2010	1,567	88.8%	+21.5 pts	62,492	88.8% visual scale
2011	1,505	90.3%	+21.2 pts	51,630	90.3% visual scale
2013	2,452	91.8%	+18.5 pts	47,378	91.8% visual scale
2014	3,532	92.8%	+17.0 pts	43,456	92.8% visual scale
2015	3,247	94.6%	+15.9 pts	33,375	94.6% visual scale
2016	2,912	94.7%	+13.4 pts	26,817	94.7% visual scale
2017	2,624	94.4%	+10.4 pts	30,330	94.4% visual scale
2018	3,525	94.5%	+8.1 pts	26,542	94.5% visual scale
2019	2,983	94.9%	+6.5 pts	21,774	94.9% visual scale

Same-vehicle follow-up

The defect groups above are a single-year count. The prognosis registry follows the same vehicle_id into the next MOT year. The extracts do not record the repair, a turbo part number, or a gearbox type.

Brakes: advisory follow-up · did the same fail item hold
Tyres: advisory follow-up · did the same fail item hold
Suspension: advisory follow-up · did the same fail item hold
Noise, emissions and leaks: advisory follow-up · did the same fail item hold

On this model, these certificate lines have a published follow-up (cohort at least 200 cars):

Rigid brake pipes corroded, covered in grease or other material — 679 cars · 3.7% failed the same item the next year
Tread depth worn close to legal limit/worn on edge — 857 cars · 3.6% failed the same item the next year
Condition slightly damaged/cracking or perishing — 703 cars · 0.9% failed the same item the next year
Brake discs worn, pitted or scored, but not seriously weakened — 694 cars · 0.3% failed the same item the next year

Check a specific Cayman before you buy

Pass rates describe the model; they can’t tell you about the one car you’re looking at. Run its plate through our free MOT history check to see its personal record of failures, advisories and mileage readings.

Other Porsche models

91190.2% pass rate · 45,808 tests Macan92.3% pass rate · 34,235 tests Boxster85.1% pass rate · 31,898 tests Cayenne87.5% pass rate · 28,929 tests Panamera89.7% pass rate · 6,631 tests Taycan 4S 93KWH91.8% pass rate · 3,101 tests 94481.9% pass rate · 2,105 tests Taycan 4X291.8% pass rate · 1,704 tests

FAQs

What is the MOT pass rate for a Porsche Cayman?

In 2025, 90.6% of 14,165 first MOT tests on the Porsche Cayman were passes (UK average: 77.5%). Data: DVSA anonymised MOT results.

What does the Cayman fail its MOT on most?

The biggest defect group is brakes (21.6% of its recorded defects), followed by lamps, reflectors and electrical equipment.

Is the Porsche Cayman reliable?

MOT pass rate is one lens on durability: at 90.6% it performs above the national average at a median age of 11 years and 44,652 miles. Always check the individual car's history too.

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.

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, 2025 extract (Class 4 initial tests only; retests excluded). Contains public sector information licensed under the Open Government Licence v3.0. Figures rounded to one decimal place.