Porsche MOT pass rate
429,241 MOT tests in 2024. Overall pass rate: 90.6%
Porsche has a 90.6% MOT pass rate based on 429,241 real DVSA test records from 2024. That is 12.3 percentage points above the UK average of 78.3%. It ranks 12 out of 85 makes.
The strongest model is the 911 Carrera 2S at 98.8%, while the 924 is lowest at 77.1%.
The single most common reason a Porsche fails its MOT is a tyre seriously damaged, which accounted for 4,525 failures.
Most common Porsche MOT failures
| Reason | Count |
|---|---|
| a tyre seriously damaged | 4,525 |
| tyre tread depth not in accordance with the requirements | 3,650 |
| the aim of a headlamp is not within limits laid down in the requirements | 3,607 |
| lambda coefficient outside the default limits or the range specified by the manufacturer | 2,288 |
| a spring or spring component fractured or seriously weakened | 2,275 |
| a tyre cords visible or damaged | 2,260 |
| brake pipe damaged or excessively corroded | 2,230 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 1,895 |
| a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc | 1,765 |
| a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 1,727 |
How Porsche compares
Porsche pass rate90.6%
UK average78.3%
Black line = UK average (78.3%). Based on 57.7 million MOT tests.