Used car guide

2009 Porsche Cayman: common problems and MOT failures

What MOT testers find on the Porsche Cayman first registered in 2009: we looked at the 1,965 MOTs these cars had during 2023–2025. Plus known faults and what to look at before you buy one.

1,965MOTs of 2009 cars, done in 2023–2025
88%pass first time (all 2009 cars: 59%)
4,400typical miles a year
22%had brakes flagged

Common 2009 Porsche Cayman MOT failures and advisories

The share of 2009 Porsche Cayman MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

  • Brakes
    22% 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.

  • Tyres
    17% 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.

  • Suspension
    11% 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 electrics
    7% of testsRough price £10–£80

    At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

  • Wipers, windscreen and mirrors
    5% of testsRough price £15–£250

    At the viewing: Check for chips in the driver's view, and test the wipers and washers.

  • Oil and fluid leaks
    3% 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 2009 Porsche Cayman

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

  1. 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

YearMOT testsMost flagged
2022493Tyres 12%
2021899Tyres 15%
20201,354Tyres 16%
20193,003Tyres 20%
20183,541Tyres 19%
20172,641Tyres 20%
20162,943Tyres 14%
20153,271Tyres 13%
20143,546Tyres 18%
20133,115Tyres 17%
20121,028Brakes 16%
20111,612Brakes 18%
20101,587Brakes 26%
20082,609Brakes 27%
20074,185Brakes 26%
20064,415Brakes 29%
2005483Brakes 31%

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 2009. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score