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Porsche Cayman MOT Check

MOT pass rates, common failures, and reliability data for the Porsche Cayman. Check any Cayman by registration number below.

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92.6%

Avg Pass Rate

+2.5%

vs Porsche Avg

19

Year Ranges

Excellent

Reliability

Porsche Cayman — MOT Reliability Overview

The Porsche Cayman has an average MOT pass rate of 92.6%, which is 2.5 percentage points above the Porsche brand average of 90.1%. This is a strong result, indicating that the Cayman is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

The most common reasons a Porsche Cayman fails its MOT are 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, a suspension pin, bush or joint excessively worn. If you are preparing your Cayman for its MOT, checking these areas first could save you a retest fee. Our detailed fault analysis includes estimated repair costs for each failure type.

Before buying a used Porsche Cayman, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the Porsche Cayman performs at MOT across different model years.

2022

Based on 60 vehicles

100.0%Excellent
Porsche average: 90.1%
Dangerous Defects

0.0%

Mileage at 3yr

17k mi

2021

Based on 1,199 vehicles

97.2%Excellent
Porsche average: 90.1%
Dangerous Defects

0.6%

Retest Rate

4.0%

Mileage at 3yr

25k mi

2020

Based on 1,821 vehicles

96.7%Excellent
Porsche average: 90.1%
Dangerous Defects

0.5%

Retest Rate

4.6%

Mileage at 3yr

23k mi

Mileage at 5yr

21k mi

2019

Based on 3,532 vehicles

95.7%Excellent
Porsche average: 90.1%
Dangerous Defects

0.9%

Retest Rate

6.0%

Mileage at 3yr

26k mi

Mileage at 5yr

38k mi

2018

Based on 4,617 vehicles

95.6%Excellent
Porsche average: 90.1%
Dangerous Defects

1.2%

Retest Rate

5.7%

Mileage at 5yr

40k mi

2017

Based on 3,525 vehicles

95.4%Excellent
Porsche average: 90.1%
Dangerous Defects

1.2%

Retest Rate

3.9%

Mileage at 5yr

44k mi

2016

Based on 3,566 vehicles

96.0%Excellent
Porsche average: 90.1%
Dangerous Defects

0.9%

Retest Rate

4.9%

2015

Based on 3,771 vehicles

95.8%Excellent
Porsche average: 90.1%
Dangerous Defects

0.7%

Retest Rate

4.2%

Mileage at 10yr

67k mi

2014

Based on 3,975 vehicles

93.9%Excellent
Porsche average: 90.1%
Dangerous Defects

0.9%

Retest Rate

6.6%

Mileage at 10yr

79k mi

2013

Based on 2,992 vehicles

94.0%Excellent
Porsche average: 90.1%
Dangerous Defects

0.8%

Retest Rate

5.0%

Mileage at 10yr

77k mi

2012

Based on 961 vehicles

95.2%Excellent
Porsche average: 90.1%
Dangerous Defects

0.6%

Retest Rate

3.1%

Mileage at 10yr

61k mi

2011

Based on 1,581 vehicles

91.3%Excellent
Porsche average: 90.1%
Dangerous Defects

1.3%

Retest Rate

8.5%

2010

Based on 1,579 vehicles

89.6%Excellent
Porsche average: 90.1%
Dangerous Defects

1.4%

Retest Rate

14.1%

2009

Based on 2,013 vehicles

92.3%Excellent
Porsche average: 90.1%
Dangerous Defects

1.6%

Retest Rate

7.2%

2008

Based on 2,902 vehicles

85.8%Excellent
Porsche average: 90.1%
Dangerous Defects

1.2%

Retest Rate

14.0%

2007

Based on 4,149 vehicles

85.5%Excellent
Porsche average: 90.1%
Dangerous Defects

1.5%

Retest Rate

12.1%

2006

Based on 4,385 vehicles

83.7%Good
Porsche average: 90.1%
Dangerous Defects

1.6%

Retest Rate

16.7%

2005

Based on 493 vehicles

84.4%Good
Porsche average: 90.1%
Dangerous Defects

1.5%

Retest Rate

9.1%

0

Based on 14,865 vehicles

90.7%Excellent
Porsche average: 90.1%
Mileage at 5yr

48k mi

Top MOT Failures — Porsche Cayman

The most common reasons a Porsche Cayman fails its MOT, aggregated across all year ranges.

1

A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning

3.0%
2

Brake pipe damaged or excessively corroded

1.2%
3

A suspension pin, bush or joint excessively worn

0.9%
4

Lambda coefficient outside the default limits or the range specified by the manufacturer

0.8%
5

Tyre tread depth not in accordance with the requirements

0.7%
Porsche Cayman Common Faults & Repair Costs

Other Porsche Models

Compare MOT reliability across Porsche models.

Porsche Carrera Coupe Sport

88.4% pass rate

Porsche 911 Carrera 4 S

100.0% pass rate

Porsche 911 Carrera

99.1% pass rate

Porsche Carrera Gt

87.5% pass rate

Porsche Panamera 4s E-hybrid S-a

86.8% pass rate

Porsche 911 Carrera 4s Auto

96.1% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for Porsche Cayman

Porsche Cayman — Frequently Asked Questions

Common questions about the Porsche Cayman MOT and reliability.

What is the MOT pass rate for the Porsche Cayman?
The average MOT pass rate for the Porsche Cayman is 92.6% compared to the Porsche average of 90.1%. Pass rates vary by year — check the year-by-year breakdown on this page for details.
What are the most common MOT failures on a Porsche Cayman?
The most common MOT failures on the Porsche Cayman are: A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning (3.0%), Brake pipe damaged or excessively corroded (1.2%), A suspension pin, bush or joint excessively worn (0.9%). These are the components most likely to cause an MOT failure.
Is the Porsche Cayman reliable?
With an average MOT pass rate of 92.6%, the Porsche Cayman is rated as "Excellent" for reliability. This is a strong result suggesting good build quality and fewer common defects.
How do I check the MOT history of a Porsche Cayman?
Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.
What mileage should I expect on a Porsche Cayman?
Typical mileage for the Porsche Cayman: 17,498 miles at 3 years. Use these benchmarks when evaluating a used Cayman to spot vehicles with unusually high or low mileage.

Check Your Porsche Cayman's MOT History

Enter the registration number for the full MOT history — free and instant.

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