Morgan Plus 4 MOT reliability

Morgan Plus 4s passed their MOT first time 89% of the time across 1,470 tests in 2025. 78 are still licensed in Great Britain.

First-time pass rate

89%

MOTs analysed

1,470

Still licensed (GB)

78

Body type

Convertible

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

2019 petrol

109 MOTs

Passed first time 91%. Typical mileage 7,588 (most between 4,817 and 10,501).

2020: 100% → 2021: 100% → 2022: 82% → 2023: 90% → 2024: 94% → 2025: 91%

Most common failures

Steering rack: gaiter missing or no longer prevents the ingress of dirt (2.8%)
Catalyst emissions: hydrocarbon content after 2nd fast idle exceeds manufacturer's specified limits (0.9%)
Speedometer: cannot be illuminated (0.9%)
Door condition: cannot be opened from outside the vehicle (0.9%)
Service brake performance: lagging in operation (0.9%)

Where 2019 Plus 4s fail

Steering

2.8%

Exhaust, emissions & leaks

1.8%

Visibility & wipers

1.8%

Body, structure & corrosion

0.9%

Brakes

0.9%

Lights & electrics

0.9%

Seat belts & other equipment

0.9%

Suspension & axles

0.9%

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.