Porsche Cayman reliability, MOT pass rate and rarity

Time Period & Model

Time period snapshot: Last 5 years

Manufacturer: Porsche

Model: Cayman

Model reliability rank

MOT-based rank from 78,793 selected-period tests.

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Overall MOT pass rate

89.7%

Share of this model's 78,793 selected-period MOT tests that pass.

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Efficiency, emissions & tax

Average MPG

34.2 mpg

CO2 emission

194 g/km

Euro emissions

Euro 6

Tax cost

£390/yr

Average vehicle miles

51,959

Lower average mileage in the analysed fleet.

Life expectancy miles

62,581

Lower mature-fleet mileage expectation.

Average vehicle age

12.0

Comfortable mid-life age pattern.

Vehicles represented

13,770

13,770 valid MOT, 0 under 3 years.

Tests analysed

78,793

78,793 MOT tests in the selected period.

Rarity ranking

Based on Make & Model

Scarce

13,770On the road

Insight summary

Porsche Cayman is a scarce model in this snapshot, with 13,770 represented vehicles and 0.03% of the active UK pool tracked by AutoRank. For the last 5 years, it has a pass rate of 89.7% from 78,793 MOT tests, with a reliability score of 74. The current pool shows an average of 51,959 miles and an average age of 12.0 years, while mature-fleet mileage is estimated at 62,581 miles. Petrol leads the fuel split, followed by other, and the most frequent defect themes are windscreen damage, exhaust emissions and lighting. The practical read is that the Porsche Cayman looks convincing in this view, especially where normal wear items have been kept on top of.

Fuel type breakdown (by model)

Fuel	Vehicles
PETROL	13,751
OTHER	19

Euro NCAP Safety

No NCAP tests found for this model.

Top 25 most common defects (by model)

Defect	Count
Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))	761
Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))	607
Nearside Front Position lamp not working (4.2.1 (a) (ii))	553
Offside Front Position lamp not working (4.2.1 (a) (ii))	549
Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))	438
Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))	400
Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))	278
Offside Headlamp aim too high (4.1.2 (a))	261
Nearside Headlamp aim too high (4.1.2 (a))	258
Parking brake efficiency below requirements (1.4.2 (a) (i))	253
Offside Front Coil spring fractured or broken (5.3.1 (b) (i))	252
Front Registration plate does not conform to the specified requirements (0.1 (d))	205
Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))	191
Rear Registration plate does not conform to the specified requirements (0.1 (d))	179
Nearside Rear Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))	167
Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))	154
Offside Rear Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))	146
Nearside Rear Brake pipe excessively corroded (1.1.11 (c))	145
Offside Front Brake pipe excessively corroded (1.1.11 (c))	140
Offside Rear Brake pipe excessively corroded (1.1.11 (c))	138
Nearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))	136
Offside Front Headlamp aim too high (4.1.2 (a))	132
Offside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))	128
Nearside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))	126
Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))	120

All 25 defects ranked by recorded countShowing 6,717 defects across this top 25 set

Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))

761

Exhaust Lambda reading after 2nd fast idle outside specified limits (8.2.1.2 (c))

607

Nearside Front Position lamp not working (4.2.1 (a) (ii))

553

Offside Front Position lamp not working (4.2.1 (a) (ii))

549

Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

438

Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

400

Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h))

278

Offside Headlamp aim too high (4.1.2 (a))

261

Nearside Headlamp aim too high (4.1.2 (a))

258

Parking brake efficiency below requirements (1.4.2 (a) (i))

253

Offside Front Coil spring fractured or broken (5.3.1 (b) (i))

252

Front Registration plate does not conform to the specified requirements (0.1 (d))

205

Offside Rear Coil spring fractured or broken (5.3.1 (b) (i))

191

Rear Registration plate does not conform to the specified requirements (0.1 (d))

179

Nearside Rear Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

167

Nearside Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

154

Offside Rear Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))

146

Nearside Rear Brake pipe excessively corroded (1.1.11 (c))

145

Offside Front Brake pipe excessively corroded (1.1.11 (c))

140

Offside Rear Brake pipe excessively corroded (1.1.11 (c))

138

Nearside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

136

Offside Front Headlamp aim too high (4.1.2 (a))

132

Offside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

128

Nearside Front Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

126

Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

120

Porsche Cayman reliability and MOT data