Porsche Cayman 982c (718) (2016-present) reliability
Porsche Cayman 982c (718) built around 2018: fails its MOT less often than average
Porsche Cayman 982c (718) models built around 2018 fail their MOT less often than similar cars the same age.
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Key figure
6% of MOT tests on Porsche Cayman 982c (718) models built around 2018 ended in a fail (retests included), against 13% for similar cars the same age.
Most common issue
The most common MOT issue on Porsche Cayman 982c (718) models built around 2018 involves the tyres.

Based on 5,577 tests of Cayman models registered 2016+.
About 1 in 20 petrol Cayman cars registered in 2022 (5.1%) failed their first MOT.
Based on 431 first MOTs (DVSA MOT results, 2025).
About 1 in 75 Cayman 982c (718) MOTs (1.3%) failed and still hadn't passed 3 days later. That's for cars built around 2018 (7 years old), all fuels combined.
Based on 1,235 tests (DVSA MOT results, 2025). A fail that passed a retest within 3 days, even the same day, isn't counted. Nor is a fail with no later MOT on record.
About 1 in 40 Cayman 982c (718) MOTs (2.4%) found at least one dangerous defect. These are cars built around 2018 (7 years old).
Based on 1,235 tests (DVSA MOT results, 2025). Dangerous is the most serious grade an MOT gives: a direct risk to road safety.
982c (718) fail rate by age
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs. Highest fail rate at 8 years old.
How the Cayman 982c (718) compares
At each age below, see how the Cayman 982c (718) holds up against other cars the same age. The averages combine all fuel types.
Based on 13,024 tests across 6 Porsche models, built around 2018 (7 years old).
Fail rate is the share of MOT tests that ended in a fail. Retests count as tests. How we count fail rates Build years are worked out from age, so they are approximate. Tests counted are 2025 MOTs.
What to check before viewing
The model's most common MOT issues, turned into things you can ask about or look for.
Brake discs
High priorityAsk for the date and mileage of the last disc replacement; visually check for a deep wear lip and rust pitting on each disc.
Brake pads
High priorityAsk when the pads were last replaced and check the warning-light history.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
Suspension bushes and joints
Worth checkingListen for knocks over speed bumps and ask about recent control-arm or anti-roll-bar work.
Vehicle-specific check
Worth checkingCheck the car’s number plate on MOT Wise to see its own MOT history and any recalls for its build years.
Other coupes to compare
Other coupes, with each one's figures taken at the same age as the Cayman 982c (718).
- 1

Ford Mustang
Same body type, tested at the same age
- Fail rate
- 14.8%
- Fail, no pass in 3 days
- 4.9%
- Dangerous
- 5.3%
No clear edge over the Porsche Cayman 982c (718) on these figures.
2 critical recall campaigns matching this model/build period.
2,337 MOT tests on cars built around 2018
- 2

Audi TT
Same body type, tested at the same age
- Fail rate
- 10.4%
- Fail, no pass in 3 days
- 1.8%
- Dangerous
- 4.9%
- Still registered at 10 years
- 95.5%
No clear edge over the Porsche Cayman 982c (718) on these figures.
2 critical recall campaigns matching this model/build period.
6,783 MOT tests on cars built around 2018
- 3

Volkswagen Scirocco
Same body type, tested at the same age
- Fail rate
- 15.5%
- Fail, no pass in 3 days
- 2.6%
- Dangerous
- 6.5%
- Still registered at 10 years
- 94.4%
No clear edge over the Porsche Cayman 982c (718) on these figures.
3,040 MOT tests on cars built around 2018
- 4

Audi A5
Same body type, tested at the same age
- Fail rate
- 16.2%
- Fail, no pass in 3 days
- 3.6%
- Dangerous
- 5.3%
- Still registered at 10 years
- 87.6%
No clear edge over the Porsche Cayman 982c (718) on these figures.
4 critical recall campaigns matching this model/build period.
15,811 MOT tests on cars built around 2018
- Fail rate
- = the share of MOT tests that ended in a fail. Retests count as tests.
- Fail, no pass in 3 days
- = the share of MOT tests that failed and still hadn't passed 3 days later. A fail that passed a retest within 3 days, even the same day, isn't counted.
- Dangerous
- = the share of MOT tests where the tester marked a fault as dangerous. It is against the law to drive the car until it is fixed.
- Still registered at 10 years
- = the share of cars still registered (taxed or declared off the road) 10 years after they were first registered.
Recall context
10 recalls in all7 of the 10 Cayman 982c (718) recalls cover cars built in these years.
- 7 recalls
Top concerns
- ARA7 recall campaign - replace shift cable
- On affected vehicles the rear spoiler setting may not meet specifications due to incorrect coding during production maki
- Air bag control unit may have been installed with a faulty capacitor
For the exact car, check GOV.UK's recall checker with the number plate.
What has gone wrong on Cayman 982c (718) cars built around 2018
The share of petrol cars that have ever failed an MOT on each part of the car. Based on 117 cars.
Fail rate by engine size, built around 2018 (7 years old)
Engine sizes across all petrol Cayman tests (not specific to 982c (718)).
How Cayman 982c (718) cars have aged
How Cayman 982c (718) cars have aged
How fail rates have changed as these cars got older. Each line follows cars first registered in about the same year across several years of MOT data. Not a prediction for any one car.
Some lines cover only a year or two, so read this as a rough guide.
How each part holds up as 982c (718) cars age
How each part holds up as 982c (718) cars age
The share of petrol cars built 2017-2020 that have ever failed an MOT on each part of the car. Rates usually rise with age, but can dip slightly as cars leave the road.
| Part of the car | 6 years | 7 years | 8 years |
|---|---|---|---|
| Suspension | No figure | 2% | 1% |
| Brakes | 3% | 2% | 3% |
| Emissions | No figure | 2% | No figure |
| Tyres | 12% | 17% | 10% |
| Lighting | 2% | 2% | No figure |
| Steering | 1% | No figure | No figure |
Based on petrol cars in the 2017-2020 build-year band, from 89 to 117 cars at each age.
982c (718) variants compared
Most common issues on Porsche Caymans of this age
This list covers every Porsche Cayman built around 2018, whichever generation it is. We don't have a defect list for the 982c (718) on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 110.8%Advisory
Tyre worn close to the legal limit or worn on the edge
- 27.1%Advisory
Tyre slightly damaged, cracking or perishing
- 33.2%Advisory
Brake disc worn, pitted or scored, but not seriously weakened
- 41.8%Advisory
Suspension arm pin or bush worn, but not moving too much
- 51.5%Advisory
Brake pads wearing thin
Based on 1,235 tests
Looking at a Porsche Cayman 982c (718) right now?
Enter its number plate to see its full MOT history, risk rating and running costs.
Frequently asked questions
Built around 2018 (7 years old), the Porsche Cayman 982c (718) (2016-present) fails MOTs noticeably less often than typical for this age. This is based on 1,235 7-year-old MOT tests from DVSA data. Each retest counts as a test.