Porsche Cayman MOT Failure Rate — 15+ Years Old
Porsche Cayman shows good reliability at this age, with a 19.8% failure rate — below the national average.
Component Risk Breakdown (15+ Years)
Which parts of a 15+-year-old Porsche Cayman are most likely to cause an MOT failure:
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 15+ year old Porsche Cayman reliable?
Yes. Based on 9,900 MOT tests, 15+-year-old Porsche Cayman vehicles have a 19.8% 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 15+ year old Porsche Cayman?
The most common MOT failure areas at this age are:
- Lamps & Electrics — 5.3% failure risk
- Brakes — 2.5% failure risk
- Suspension — 2.4% failure risk
How can I prepare my Porsche Cayman for its MOT?
For a 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 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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