Porsche 911 MOT reliability

Porsche 911s passed their MOT first time 89% of the time across 52,625 tests in 2025. 57,606 are still licensed in Great Britain.

First-time pass rate

89%

MOTs analysed

52,625

Still licensed (GB)

57,606

Body type

Coupe

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

2022 petrol

2,570 MOTs

Passed first time 95%. Typical mileage 8,843 (most between 5,434 and 13,317).

2024: 93% → 2025: 95%

Most common failures

Condition: has a cut in excess of the requirements deep enough to reach the ply or cords (1.1%)
Registration plates: does not conform to the specified requirements (0.7%)
Tread depth below requirements of 1.6mm (0.7%)
Headlamp aim: too high (0.4%)
Condition: has ply or cords exposed (0.3%)

Where 2022 911s fail

Wheels & tyres

2.3%

Lights & electrics

0.6%

Visibility & wipers

0.3%

Suspension & axles

0.2%

Body, structure & corrosion

0.1%

Exhaust, emissions & leaks

0.1%

Brakes

0.0%

Seat belts & other equipment

0.0%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.