Reliability, safety, running costs and what to check before you buy.
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With 39,950 currently licensed in the UK, the Porsche Cayenne is one of Britain's well-known cars.
Euro NCAP awarded the Cayenne 5 stars in 2017, with 95% adult occupant and 84% child protection scores.
It has a 74.5% first-time MOT pass rate — above the UK national average of 72%. Common MOT failure areas include suspension, brakes, oil leaks.
Annual running costs are estimated at £5,838 for a typical 5-year-old example, breaking down to £486/month or 73p/mile.
Theft risk is rated moderate at 10.9 per 1,000 registered vehicles.
NCAP Safety
2017
MOT Pass Rate
74.5%
25,000 tests
Monthly Cost
£486
est. annual total
New From
£82,000
Euro NCAP tested the Cayenne in 2017 and awarded it 5 out of 5 stars.
Adult Occupant
95%
Child Occupant
84%
Pedestrian
73%
Safety Assist
62%
There are 29 known DVSA recalls affecting the Porsche Cayenne. Enter a registration number to check whether a specific vehicle is affected.
R/2025/432
On affected vehicles the screw connection of the high-pressure pump was not implemented in accordance with the technical specifications. This can lead to a leak and the possibility of the fuel igniting.
Build dates: 2023-04-04 to 2025-09-02
R/2025/060
The software version of the engine control unit does not correspond to the software version that should be on the vehicle.
Build dates: 2016-03-11 to 2017-09-04
R/2025/061
The software version of the engine control unit does not correspond to the software version that should be on the vehicle.
Build dates: 2012-11-30 to 2017-10-24
R/2025/063
The software version of the engine control unit does not correspond to the software version that should be on the vehicle.
Build dates: 2014-08-23 to 2017-11-28
R/2024/306
On affected vehicles there’s a possibility the upper trailing arms on the nearside front axle do not meet required specifications. If this is the case the trailing arm may break.
Build dates: 2024-05-09 to 2024-06-19
+ 24 more recalls. Check a specific vehicle to see the full list.
Based on 25,000 MOT tests, the Cayenne has a first-time pass rate of 74.5% — above the UK national average of 72%.
This is a positive sign for reliability. The Cayenne is less likely to have issues at MOT time than the average car on UK roads.
Annual running costs for a typical 5-year-old Porsche Cayenne are estimated at around £5,838 per year, or £486 per month.
Fuel
£1,345
/year
Road Tax
£195
/year
Depreciation
£3,643
/year
MOT
£55
/year
Estimated annual running costs based on available data. Excludes insurance, parking, and finance costs. Actual costs depend on your driving habits and circumstances.
The Cayenne achieves a combined fuel economy of around 39.2 mpg (33.6 mpg urban, 43.5 mpg extra-urban).
| Variant | Fuel | Combined | Engine |
|---|---|---|---|
| CAYENNE | DIESEL | 39.2 mpg | 3.0L |
| CAYENNE | PETROL HYBRID | 34.4 mpg | 3.0L |
| CAYENNE | PETROL | 24.2 mpg | 3.0L |
| CAYENNE | PETROL | 21.4 mpg | 3.2L |
| CAYENNE | PETROL | 25.2 mpg | 3.6L |
| CAYENNE | PETROL | 28.2 mpg | 3.6L |
| CAYENNE | PETROL | 22.3 mpg | 4.0L |
| CAYENNE | DIESEL | 34 mpg | 4.1L |
Starting from £82,000 new, a Porsche Cayenne typically retains about 62% after 3 years and 51% after 5 years.
| Age | Retained | Est. Value | Lost |
|---|---|---|---|
| 1 year | 83% | £67,650 | −£14,350 |
| 2 years | 70% | £57,500 | −£24,500 |
| 3 years | 62% | £50,600 | −£31,400 |
| 4 years | 56% | £45,550 | −£36,450 |
| 5 years | 51% | £41,900 | −£40,100 |
| 6 years | 48% | £38,950 | −£43,050 |
| 7 years | 45% | £36,650 | −£45,350 |
| 8 years | 42% | £34,800 | −£47,200 |
| 9 years | 40% | £33,050 | −£48,950 |
| 10 years | 38% | £31,400 | −£50,600 |
The Cayenne has a theft rate of 10.9 per 1,000 registered vehicles, rated moderate compared to the national average of 5.5 per 1,000.
There are currently 39,950 licensed and 4,636 SORN Cayennes in the UK (44,586 total). This makes it a common vehicle on UK roads.
The Cayenne has a 74.5% first-time MOT pass rate based on 25,000 tests — above the UK national average of 72%. This suggests good overall reliability.
Euro NCAP awarded the Cayenne 5 out of 5 stars when tested in 2017. It scored 95% for adult occupant protection, 84% for child occupant protection, 73% for vulnerable road users, and 62% for safety assist features.
Annual running costs for a typical 5-year-old Cayenne are estimated at around £5,838 per year (£486/month). This includes fuel, road tax, depreciation, and MOT fees — but excludes insurance, servicing, and repairs.
There are 29 known safety recalls affecting the Cayenne. These are issued by the DVSA when a safety defect is found. You can check if a specific vehicle is affected by entering its registration number.
The Cayenne has a theft rate of 10.9 per 1,000 registered vehicles, which is rated moderate compared to the national average of 5.5 per 1,000. Standard security precautions should be sufficient.
A new Cayenne starts from around £82,000. After 5 years, a typical example retains about 51% of its original value.
Enter the registration to check its full MOT history, tax status, mileage, recalls and estimated value — all free.
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