Know Your MOT
10.5%fail rate

Porsche Cayman common MOT failures and failure rate

What a Porsche Cayman fails its MOT on most often, from real DVSA test data, and the part that resolves each item.

Based on 2,171 MOT tests in a recent DVSA sample.

What it fails on, and the fix

Tyres24.5% of failures
Lamps & electrical20.5% of failures
Brakes17.9% of failures
Suspension14.8% of failures
Exhaust & emissions9.6% of failures
Visibility/wipers5.7% of failures

About 10.5% of MOT tests recorded on the Porsche Cayman in this DVSA sample end in a failure. The pattern is consistent: the same handful of items account for most of them.

Its most common failure is tyres, which makes up 24.5% of the Porsche Cayman's failures, followed by tyres, lamps & electrical, brakes, suspension. Each item below links to the part that resolves it. Confirm the exact fitment against your registration or VIN before buying, and have safety-critical work done by a competent mechanic.

Other models

Porsche 911 MOT failures14.2% failure ratePorsche Boxster MOT failures15.6% failure ratePorsche Cayenne MOT failures14.4% failure rateFord Fiesta MOT failures22.8% failure rate

Sources: DVSA MOT History API: MOT test results and defect data ยท DVSA MOT testing data for Great Britain