Porsche Cayman MOT Failure Rate — 11-15 Years Old

14.2%
MOT failure rate for 11-15-year-old Porsche Cayman vehicles
Based on 18,675 MOT tests
13.8pp below the UK average (28%)

Porsche Cayman shows good reliability at this age, with a 14.2% failure rate — below the national average.

Component Risk Breakdown (11-15 Years)

Which parts of a 11-15-year-old Porsche Cayman are most likely to cause an MOT failure:

Lamps & Electrics 2.8%
Brakes 1.8%
Suspension 1.7%
Tyres 1.3%
Visibility 0.7%
Steering 0.3%
Body & Chassis 0.3%

How Does This Compare?

Porsche Cayman MOT failure rate across all age groups:

Age Failure Rate Tests Worst Area
0-2 years 5.3% 2,803 Tyres
3-5 years 5.2% 14,675 Tyres
6-10 years 6.0% 26,368 Tyres
11-15 years 14.2% 18,675 Lamps & Electrics
15+ years 19.8% 9,900 Lamps & Electrics

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Frequently Asked Questions

Is a 11-15 year old Porsche Cayman reliable?

Yes. Based on 18,675 MOT tests, 11-15-year-old Porsche Cayman vehicles have a 14.2% failure rate, which is below the UK average of 28%. This is a reliable choice at this age.

What are the common MOT failures on a 11-15 year old Porsche Cayman?

The most common MOT failure areas at this age are:

  • Lamps & Electrics — 2.8% failure risk
  • Brakes — 1.8% failure risk
  • Suspension — 1.7% failure risk

How can I prepare my Porsche Cayman for its MOT?

For a 11-15-year-old Porsche Cayman, focus on: (1) Lamps & Electrics — the most common failure area at this age. (2) Check all lights and bulbs. (3) Inspect tyres for tread depth and damage. (4) Consider a pre-MOT check at a local garage (£20–£40). You can also use our free prediction tool for a personalised risk breakdown.

Other Porsche Cayman Age Groups

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Data methodology: Failure rates are weighted averages across all mileage bands for the 11-15-year age group, calculated from official DVSA MOT test records. Only combinations with 100+ tests are included. Data covers 142 million MOT tests across the UK.

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