PORSCHE CAYMAN Common Problems & Reliability

Based on 2,585 MOT tests from 174 vehicles analysed by VehicleScore®. The figures below describe that VehicleScore® sample. Recurring issues seen in VehicleScore® MOT data are not a claim that every PORSCHE CAYMAN has the same fault.

PORSCHE CAYMAN's have a extremely good reliability rating of 778/999. The score was calculated from the average of every PORSCHE CAYMAN that has had a registered MOT.

We calculated all of the below figures by getting the score from each vehicle make/model/year/fuel, which are each calculated a score. We then generate the average score, taking into account factors such as mileage and emissions.

Also check BHP & performance, road tax, fuel economy, and CO2 emissions for the PORSCHE CAYMAN.

PORSCHE CAYMAN (example)

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Fuel Type	Year	Reliability Score	Avg Mileage	Sample Size
Petrol	2016	873/999Excellent	68,142 miles	610 vehicles
Petrol	2015	834/999Excellent	111,028 miles	854 vehicles
Petrol	2008	628/999Good	81,108 miles	508 vehicles

How reliable is the PORSCHE CAYMAN?

Based on 2,585 MOT tests from 174 vehicles analysed by VehicleScore®.

Vehicles

174

MOT tests

2,585

Pass rate

85.3%

Median mileage

68,702 mi

Recurring issues seen in VehicleScore® MOT data are inspection findings from this sample. They are not a statement that every PORSCHE CAYMAN has the same fault. The median VehicleScore® in this sample is 690 out of 999.

Common PORSCHE CAYMAN MOT problems

These groups combine equivalent MOT comments, such as the same tyre note on different corners. Counts are comment occurrences in the sample, not a percentage of cars.

Tyre wear

VehicleScore® MOT data includes 420 advisory comments and 46 failure comments in this group. Seen as both an advisory and a failure reason. These are comment occurrences, not a share of all cars.

These MOT comments record tyres that were worn, damaged, or close to the legal tread depth when the car was inspected.

What to inspect

Check the tread depth and look for uneven wear, cracking, or damage on all four tyres.

Example MOT wording: OFFSIDE REAR TYRE WORN CLOSE TO LEGAL LIMIT/WORN ON EDGE (5.2.3 (E))

Corrosion

VehicleScore® MOT data includes 151 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.

These MOT comments record corrosion the tester could see on the body or structure. Corrosion already named on a spring, brake, or other component is counted with that component.

What to inspect

Inspect the underside, sills, and subframe for heavy corrosion, especially where an advisory mentions it.

Example MOT wording: OFFSIDE FRONT BRAKE PIPE CORRODED, COVERED IN GREASE OR OTHER MATERIAL (1.1.11 (C))

Oil leak

VehicleScore® MOT data includes 46 advisory comments in this group. Seen mainly as an advisory. These are comment occurrences, not a share of all cars.

These MOT comments record an oil leak noted by the tester. Shock absorber misting is counted as a damper issue, not as an engine oil leak.

What to inspect

Look under the engine for fresh oil, and check the oil level.

Example MOT wording: OIL LEAK, BUT NOT EXCESSIVE (8.4.1 (A) (I))

Lamp and bulb faults

VehicleScore® MOT data includes 35 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.

These MOT comments record a lamp or bulb other than a headlamp or indicator.

What to inspect

Switch on the side, brake, fog, and number-plate lamps.

Example MOT wording: OFFSIDE FRONT POSITION LAMP NOT WORKING (4.2.1 (A) (II))

Lambda sensor issues

VehicleScore® MOT data includes 16 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.

These MOT comments record a lambda sensor reading or defect noted at the test.

What to inspect

Ask whether a sensor or emissions fault has been diagnosed since the test.

Example MOT wording: EXHAUST LAMBDA READING AFTER 2ND FAST IDLE OUTSIDE SPECIFIED LIMITS (8.2.1.2 (C))

Coil spring issues

VehicleScore® MOT data includes 9 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.

These MOT comments record coil springs that were corroded, fractured, or otherwise defective. They are counted separately from shock absorbers.

What to inspect

Look for a broken or heavily corroded spring and compare the ride height on both sides.

Example MOT wording: OFFSIDE FRONT COIL SPRING FRACTURED OR BROKEN (5.3.1 (B) (I))

Parking brake faults

VehicleScore® MOT data includes 8 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.

These MOT comments record a parking brake that did not hold well enough or had a component defect.

What to inspect

Test that the parking brake holds the car on a slope and releases cleanly.

Example MOT wording: PARKING BRAKE EFFICIENCY BELOW REQUIREMENTS (1.4.2 (A) (I))

Engine warning lamp

VehicleScore® MOT data includes 7 failure comments in this group. Seen mainly as a failure reason. These are comment occurrences, not a share of all cars.

These MOT comments record an engine warning lamp that was on, or did not work, during the inspection.

What to inspect

Switch on the ignition and confirm the lamp comes on and then goes out. Ask what was diagnosed if it stayed on.

Example MOT wording: ENGINE MIL INOPERATIVE OR INDICATES A MALFUNCTION (8.2.1.2 (H))

PORSCHE CAYMAN MOT reliability by year

A model year is only commented on when VehicleScore® has at least 5 vehicles from that year.

Year	Vehicles	MOT tests	Pass rate	Recurring issues seen
2016	12	100	92%	Tyre wear
2015	15	130	93.1%	Tyre wear, Brake pad wear
2014	12	137	86.1%	Tyre wear, Brake disc wear
2013	19	223	92.8%	Tyre wear, Corrosion
2012	5	65	89.2%	Tyre wear, Brake disc wear
2011	5	76	85.5%	Tyre wear, Brake disc wear
2010	8	130	87.7%	Corrosion, Brake disc wear
2009	11	185	87%	Tyre wear, Brake disc wear
2008	26	476	82.6%	Tyre wear, Lamp and bulb faults
2007	20	377	85.7%	Tyre wear, Corrosion
2006	31	593	80.8%	Tyre wear, Corrosion

What to check when buying a used PORSCHE CAYMAN

This is an inspection checklist based on MOT comments in the VehicleScore® sample. It does not mean the car you are looking at has these defects.

Tyre wear. Check the tread depth and look for uneven wear, cracking, or damage on all four tyres.
Corrosion. Inspect the underside, sills, and subframe for heavy corrosion, especially where an advisory mentions it.
Oil leak. Look under the engine for fresh oil, and check the oil level.
Lamp and bulb faults. Switch on the side, brake, fog, and number-plate lamps.
Lambda sensor issues. Ask whether a sensor or emissions fault has been diagnosed since the test.
Coil spring issues. Look for a broken or heavily corroded spring and compare the ride height on both sides.
Parking brake faults. Test that the parking brake holds the car on a slope and releases cleanly.
Engine warning lamp. Switch on the ignition and confirm the lamp comes on and then goes out. Ask what was diagnosed if it stayed on.

Buying a PORSCHE CAYMAN?

Common problems tell you what can affect PORSCHE CAYMANs generally. VehicleScore® can check the history of the actual car you're considering.

Where does this data come from?

VehicleScore® analyses MOT histories from vehicles in its own dataset. Sample sizes vary by model, and a small sample is labelled as such. MOT data records roadworthiness and inspection defects. It does not capture every mechanical or electronic problem a car can have, and a comment on one test is not proof that the model has an inherent fault.

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