2005 Porsche Cayman: common problems and MOT failures
What MOT testers find on the Porsche Cayman first registered in 2005: we looked at the 483 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.
Small sample: there were only 483 MOTs of these cars during 2023–2025, so treat the percentages as rough. The known faults below don't depend on it.
Common 2005 Porsche Cayman MOT failures and advisories
The share of 2005 Porsche Cayman MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Brakes31% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
- Tyres21% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Suspension18% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Lights and electrics14% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Steering7% of testsRough price £100–£450
At the viewing: On a straight road the steering wheel should sit straight. Feel for play or knocking when turning.
- Oil and fluid leaks5% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
Questions to ask the seller before buying a 2005 Porsche Cayman
Ask before you travel to see it. A seller who knows the car will have answers, and receipts.
- Can I see the service history and receipts for any big jobs?
Looking at a Porsche Cayman?
Check the actual car: its own MOT history, mileage and what to ask the seller. Free, no sign-up.
Other years
Every year of the Porsche Cayman compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2022 | 493 | Tyres 12% |
| 2021 | 899 | Tyres 15% |
| 2020 | 1,354 | Tyres 16% |
| 2019 | 3,003 | Tyres 20% |
| 2018 | 3,541 | Tyres 19% |
| 2017 | 2,641 | Tyres 20% |
| 2016 | 2,943 | Tyres 14% |
| 2015 | 3,271 | Tyres 13% |
| 2014 | 3,546 | Tyres 18% |
| 2013 | 3,115 | Tyres 17% |
| 2012 | 1,028 | Brakes 16% |
| 2011 | 1,610 | Brakes 18% |
| 2010 | 1,587 | Brakes 26% |
| 2009 | 1,965 | Brakes 22% |
| 2008 | 2,609 | Brakes 27% |
| 2007 | 4,185 | Brakes 26% |
| 2006 | 4,414 | Brakes 29% |
Where this comes from: the DVSA's anonymised results for every MOT test done in Great Britain during 2023–2025, counting the MOTs of Porsche Cayman cars first registered in 2005. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score