Used buying checklist
Porsche Cayenne reliability, common problems and used buying checks
A used Porsche Cayenne looks better than average for reliability in UK MOT data: 11.7% of 31,671 tests failed, compared with 18.7% across all indexed models. A good example should have a clean MOT history for corrosion and structure, lights and electrical, and emissions, engine, and exhaust.
It can be, if the exact car has a clean history for corrosion and structure, lights and electrical, and emissions, engine, and exhaust.
Start with corrosion and structure, lights and electrical, and emissions, engine, and exhaust, then compare the car's mileage and recall record below.
Sources used: DVSA MOT tests (Apr 2026); vehicle recalls (Apr 2026); MOT fault wording (May 2025). MOT data does not capture every reliability issue, especially intermittent engine, gearbox or infotainment faults that do not appear during the test.
- 11.7% MOT failure rate
- Median tested mileage 72,192 miles
- 3,703 failed MOT tests analysed
Corrosion and structure is the clearest area to check
Corrosion and structure is the clearest named problem area in this model's MOT history (8.2 MOT notes per 100 tests). Example MOT phrases from this area include excessively corroded, corroded and seriously weakened, and corroded so that its cross sectional area is reduced and seriously weakened.
Example MOT phrases to search in the car's history:
- excessively corroded
- corroded and seriously weakened
- corroded so that its cross sectional area is reduced and seriously weakened
- ferrule excessively corroded
- lens slightly defective
- has a product on the lens so that the light output is severely reduced
- with a multiple light source up to 1/2 not functioning
- light intensity significantly reduced
- has a major leak of exhaust gases
- leaking excessively from engine
Focus on corrosion and structure, lights and electrical, and emissions, engine, and exhaust
The model's recorded failure rate is 11.7%, -7.0 percentage points compared with the average across all models. Use the seller questions below to check whether repeat MOT notes have actually been repaired.
- MOT tests analysed31,671 tests
- Median tested mileage72,192 miles
- Failed MOT tests3,703
Should you buy a used Porsche Cayenne?
88.3% of the MOT tests we analysed for this model passed. The model's recorded failure rate is 11.7%, -7.0 percentage points compared with the average across all models. This is a buying brief for the exact car in front of you: clean repeat history matters more than badge reputation.
- Repeat unresolved MOT notes for corrosion and structure, lights and electrical, and emissions, engine, and exhaust
- corrosion and structure appearing across more than one MOT
- Any dangerous MOT failure on the exact car, especially if the same area appears again later
- No paperwork showing applicable recall work has been completed
- A seller who cannot explain MOT wording such as "excessively corroded"
It can be, if the exact car has a clean history for corrosion and structure, lights and electrical, and emissions, engine, and exhaust.
Start with corrosion and structure, lights and electrical, and emissions, engine, and exhaust, then compare the car's mileage and recall record below.
Corrosion and structure is the clearest named problem area in the MOT history (8.2 MOT notes per 100 tests). These counts are issue notes, not failure rates, because a single MOT can list several faults.
Past 100k miles on the Porsche Cayenne, MOT records most often point to corrosion and structure, lights and electrical, and emissions, engine, and exhaust.
The MOT failure rate rises from 5.3% at 0-3 years to 17.8% at 15+ years. Compare the car with the nearest age range before treating a fault as normal wear or a warning sign. The average MOT failure rate across all models in the same dataset is 18.7%.
Start with corrosion and structure, lights and electrical, emissions, engine, and exhaust, and windscreen, wipers, and mirrors. The checklist on this page explains why each area is being recommended, what to inspect, and what to ask the seller.
6 relevant recall notices appear for this model. Treat them as safety checks to verify for the exact car, not as normal MOT wear.
What should I check first?
Start with corrosion and structure, lights and electrical, emissions, engine, and exhaust, and windscreen, wipers, and mirrors. The checklist on this page explains why each area is being recommended, what to inspect, and what to ask the seller. Each item shows whether it comes from MOT results, recall notices, or a standard used-car check.
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Corrosion and structure Seen in MOT results
Corrosion and structure is one of the most common MOT problem areas for this model (8.2 MOT notes per 100 tests).
What to check: Inspect sills, subframes, mounting points, arches, and underside corrosion advisories.
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Lights and electrical Seen in MOT results
Lights and electrical is one of the most common MOT problem areas for this model (7.3 MOT notes per 100 tests).
What to check: Check every lamp, warning light, horn, battery condition, and dashboard messages.
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Emissions, engine, and exhaust Seen in MOT results
Emissions, engine, and exhaust is one of the most common MOT problem areas for this model (5.2 MOT notes per 100 tests).
What to check: Check warning lights, smoke, exhaust leaks, recent emissions failures, and service history.
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Windscreen, wipers, and mirrors Seen in MOT results
Windscreen, wipers, and mirrors is one of the most common MOT problem areas for this model (4.9 MOT notes per 100 tests).
What to check: Check windscreen damage, wiper operation, washers, mirrors, and demisting.
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Suspension and steering Seen in MOT results
Suspension and steering is one of the most common MOT problem areas for this model (2.7 MOT notes per 100 tests).
What to check: Listen for knocks, check uneven tyre wear, and inspect steering play.
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Tyres and wheels Seen in MOT results
Tyres and wheels is one of the most common MOT problem areas for this model (2.6 MOT notes per 100 tests).
What to check: Check tyre age, tread depth, sidewall damage, wheel condition, and alignment wear.
What changes with mileage?
Past 100k miles on the Porsche Cayenne, MOT records most often point to corrosion and structure, lights and electrical, and emissions, engine, and exhaust.
Common MOT problem areas
Common faults: what usually fails on this model?
Corrosion and structure is the clearest named problem area in the MOT history (8.2 MOT notes per 100 tests). These counts are issue notes, not failure rates, because a single MOT can list several faults.
Recall-related areas to verify
Official recall areas
Manufacturer recall notices for the Porsche Cayenne mainly involve 5 areas: emissions, engine, and exhaust, mixed recall notices, brakes, and suspension and steering. Treat each as something to verify on the specific car you are viewing; the recall table below shows the official notice text.
Mileage and age checks
Mileage changes: what starts showing up after high mileage?
Past 100k miles on the Porsche Cayenne, MOT records most often point to corrosion and structure, lights and electrical, and emissions, engine, and exhaust. On lower-mileage cars, the most common named areas are tyres and wheels, windscreen, wipers, and mirrors, and lights and electrical.
| Mileage range | Tests | Vehicles | Failure rate (vs all models) | Median mileage |
|---|---|---|---|---|
| 0-50k | 9,655 | 8,643 | 6.5%-4.3 percentage points vs all models | 32,057 miles |
| 50-100k | 13,054 | 11,178 | 12.3%-8.4 percentage points vs all models | 73,901 miles |
| 100-150k | 7,121 | 5,938 | 16.1%-10.1 percentage points vs all models | 118,578 miles |
| 150-200k | 1,438 | 1,176 | 18.5%-8.8 percentage points vs all models | 163,600 miles |
| 200k+ | 189 | 141 | 25.9%-0.6 percentage points vs all models | 214,974 miles |
Problem areas by mileage
Past 100k miles on the Porsche Cayenne, MOT records most often point to corrosion and structure, lights and electrical, and emissions, engine, and exhaust.
| Mileage range | Car areas most often recorded | Specific MOT defect examples |
|---|---|---|
| 0-50k |
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| 50-100k |
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| 100-150k |
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| 150-200k |
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| 200k+ |
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Fair comparisons: is this problem normal for its age?
The MOT failure rate rises from 5.3% at 0-3 years to 17.8% at 15+ years. Compare the car with the nearest age range before treating a fault as normal wear or a warning sign. The average MOT failure rate across all models in the same dataset is 18.7%. The highest failure rate by age is 17.8% for 15+ years cars, based on 5,952 tests.
| Age range | Tests | Vehicles | Failure rate (vs all models) | Median age |
|---|---|---|---|---|
| 0-3 years 2023–2026 reg. |
1,521 | 1,429 | 5.3%-3.1 percentage points vs all models | 3.0 years |
| 3-6 years 2020–2023 reg. |
6,989 | 6,300 | 6.1%-4.5 percentage points vs all models | 4.0 years |
| 6-10 years 2016–2020 reg. |
10,384 | 8,939 | 11.0%-5.6 percentage points vs all models | 8.0 years |
| 10-15 years 2011–2016 reg. |
6,825 | 5,663 | 14.6%-9.0 percentage points vs all models | 11.6 years |
| 15+ years pre-2011 reg. |
5,952 | 4,836 | 17.8%-8.1 percentage points vs all models | 18.0 years |
Recall records and data freshness
Recall context: are there safety notices to know about?
6 relevant recall notices appear for this model. Treat them as safety checks to verify for the exact car, not as normal MOT wear.
| 2025-10-09 | ASA9 Recall campaign - Check the high-pressure pump connections and if necessary replace the high-pressure pumps including fuel lines 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. Check the screw connections of both high-pressure pumps and replace the high-pressure pumps and fuel lines if necessary. |
|---|---|
| 2024-12-01 | ARC1 Recall campaign - Re-programming DME control unit The software version of the engine control unit does not correspond to the software version that should be on the vehicle. Review the software version of the engine control unit and if necessary update it to the correct software version. |
| 2024-08-02 | ARB2 - Replacing upper trailing arm on the front axle 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. Replace the nearside upper trailing arm on the front axle. |
| 2022-02-18 | THE CHASSIS GEOMETRY ON THE REAR AXLE HAS DEVIATED IN SOME CASES During a data analysis with regard to carrying out recall campaign AMA9 we discovered that the chassis geometry on the rear axle has deviated in some cases. The chassis setting on the affected vehicles must be checked and corrected if necessary. |
| 2022-01-14 | IMPROVE THE ENGINE CONTROL SYSTEM IN TERMS OF NITROGEN OXIDE EMISSIONS Improve the engine control system in terms of nitrogen oxide emissions. Engine control software will be updated. |
| 2021-07-14 | SCREWS SECURING STEERING COLUMN TO STEERING GEAR DON'T MEET SPECIFICATIONS The screws securing the steering column to the steering gear may not meet� the required specifications on�affected vehicles.� The steering column screws must be replaced.� |
Related searches
Common ways people look up the Porsche Cayenne. Each link runs the search and lands on the relevant section of this report.
Related reliability guides
See where this model sits against other Porsche reports by MOT failure rate and common problem area.
Compare high-confidence model reports across all makes.
Use the fleet mileage baseline before checking this model's own mileage table.
Compare this model's age pattern with the wider MOT baseline.
Sources used: DVSA MOT tests (Apr 2026); vehicle recalls (Apr 2026); MOT fault wording (May 2025). These are patterns from many MOT tests and recall notices. They help you decide what to inspect and what to ask; they do not certify the condition of one specific car.