Porsche Cayenne Mk3 (9YA) (2018-present) reliability
Porsche Cayenne Mk3 (9YA) built around 2018: fails its MOT less often than average
Porsche Cayenne Mk3 (9YA) models built around 2018 fail their MOT less often than similar cars the same age.
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Key figure
10% of MOT tests on Porsche Cayenne Mk3 (9YA) models built around 2018 ended in a fail (retests included), against 16% for similar cars the same age.
Most common issue
The most common MOT issue on Porsche Cayenne Mk3 (9YA) models built around 2018 involves the tyres.
Based on 11,502 tests of Cayenne models registered 2018+.
About 1 in 20 petrol Cayenne cars registered in 2022 (5.3%) failed their first MOT.
Based on 1,042 first MOTs (DVSA MOT results, 2025).
About 1 in 30 Cayenne Mk3 (9YA) MOTs (3.3%) failed and still hadn't passed 3 days later. That's for cars built around 2018 (7 years old), all fuels combined.
Based on 1,413 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 Cayenne Mk3 (9YA) MOTs (2.9%) found at least one dangerous defect. These are cars built around 2018 (7 years old).
Based on 1,413 tests (DVSA MOT results, 2025). Dangerous is the most serious grade an MOT gives: a direct risk to road safety.
Mk3 (9YA) 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 7 years old.
How the Cayenne Mk3 (9YA) compares
At each age below, see how the Cayenne Mk3 (9YA) 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 pads
High priorityAsk when the pads were last replaced and check the warning-light history.
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.
Tyres
Worth checkingCheck tread depth across the full width on all four; uneven wear suggests alignment or suspension issues.
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 SUVs to compare
Other SUVs, with each one's figures taken at the same age as the Cayenne Mk3 (9YA).
- 1
Mitsubishi Eclipse
Same body type, tested at the same age
- Fail rate
- 12.4%
No clear edge over the Porsche Cayenne Mk3 (9YA) on these figures.
Some figures could not be compared for these two cars. So this comparison uses the fail rate and recalls only.
3,969 MOT tests on cars built around 2018
- 2
Volkswagen T-Roc
Same body type, tested at the same age
- Fail rate
- 9.6%
- Fail, no pass in 3 days
- 0.9%
- Dangerous
- 3.9%
Fewer fails still not passed 3 days later: 0.9%, against 3.3% for the Porsche Cayenne Mk3 (9YA).
9,233 MOT tests on cars built around 2018
- 3
Skoda Karoq
Same body type, tested at the same age
- Fail rate
- 10.3%
- Fail, no pass in 3 days
- 1%
- Dangerous
- 4.3%
Fewer fails still not passed 3 days later: 1.0%, against 3.3% for the Porsche Cayenne Mk3 (9YA).
8,610 MOT tests on cars built around 2018
- 4
Audi Q2
Same body type, tested at the same age
- Fail rate
- 10.4%
- Fail, no pass in 3 days
- 1.3%
- Dangerous
- 4.3%
Fewer fails still not passed 3 days later: 1.3%, against 3.3% for the Porsche Cayenne Mk3 (9YA).
15,997 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.
Recall context
29 recalls in all10 of the 29 Cayenne Mk3 (9YA) recalls cover cars built in these years.
- 10 recalls
Top concerns
- ASA9 recall campaign - check the high-pressure pump connections and if necessary replace the high-pressure pumps includi
- ARB2 - replacing upper trailing arm on the front axle
- The chassis geometry on the rear axle has deviated in some cases
For the exact car, check GOV.UK's recall checker with the number plate.
What has gone wrong on Cayenne Mk3 (9YA) cars built around 2018
The share of petrol cars that have ever failed an MOT on each part of the car. Based on 100 cars.
How Cayenne Mk3 (9YA) cars have aged
How Cayenne Mk3 (9YA) 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 Mk3 (9YA) cars age
How each part holds up as Mk3 (9YA) 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 | 5 years | 6 years | 7 years |
|---|---|---|---|
| Suspension | No figure | 3% | 7% |
| Brakes | 2% | 4% | 3% |
| Tyres | 11% | 15% | 14% |
| Lighting | 1% | No figure | No figure |
| Drivetrain | No figure | No figure | 1% |
Based on petrol cars in the 2017-2020 build-year band, from 84 to 233 cars at each age.
Mk3 (9YA) variants compared
Cayenne Mk3 (9YA) variants built around 2018
The fail rate for each Cayenne Mk3 (9YA) variant, grouped by fuel. Each row counts fails per MOT test, the same way as the main fail rate chart.
Petrol
- CAYENNE8.2%756 tests
Diesel
- CAYENNE12.5%552 tests
Most common issues on Porsche Cayennes of this age
This list covers every Porsche Cayenne built around 2018, whichever generation it is. We don't have a defect list for the Mk3 (9YA) on its own.
Most common advisories and fails
In order of the share of MOT tests that recorded each one
- 113.5%Advisory
Tyre worn close to the legal limit or worn on the edge
- 211.2%Advisory
Brake pads wearing thin
- 36.1%Advisory
Tyre slightly damaged, cracking or perishing
- 45.1%Advisory
Tyre has a cut that does not reach the ply or cords
- 53.1%Advisory
Brake disc worn, pitted or scored, but not seriously weakened
Based on 2,134 tests
Looking at a Porsche Cayenne Mk3 (9YA) 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 Cayenne Mk3 (9YA) (2018-present) fails MOTs noticeably less often than typical for this age. This is based on 1,413 7-year-old MOT tests from DVSA data. Each retest counts as a test.