Rover P4 MOT reliability

Rover P4s passed their MOT first time 71% of the time across 7 tests in 2025.

These figures come from only 7 MOT tests. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

First-time pass rate

71%

MOTs analysed

7

Still licensed (GB)

–

Body type

Sedan

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

1961 petrol

2 MOTs

Passed first time 50%. Typical mileage 19,198 (most between 10,802 and 27,593).

2005: 50% → 2006: 80% → 2007: 88% → 2008: 90% → 2009: 67% → 2010: 89% → 2011: 60% → 2012: 73% → 2013: 92% → 2014: 70% → 2015: 73% → 2016: 78% → 2017: 82% → 2018: 57% → 2019: 100% → 2020: 33% → 2021: 100% → 2022: 100% → 2023: 100% → 2024: 100% → 2025: 50%

Most common failures

Service brake performance: effort inadequate at a wheel (50.0%)
Registration plate lamp(s): inoperative in the case of a single lamp or all lamps (50.0%)
Service brake performance: excessively binding (50.0%)
Rbt (sp): efficiency below requirements (50.0%)
Service brake imbalance: across an axle (50.0%)

Where 1961 P4s fail

Brakes

50.0%

Lights & electrics

50.0%

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.