Morris Marina MOT reliability

Morris Marinas passed their MOT first time 90% of the time across 40 tests in 2025. 401 are still licensed in Great Britain.

These figures come from 40 MOT tests. That's a fairly small number of cars, so they may not be typical of these cars as a whole.

First-time pass rate

90%

MOTs analysed

40

Still licensed (GB)

401

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

1977 petrol

3 MOTs

These figures come from only 3 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.

Passed first time 67%. Typical mileage 72,410 (most between 39,717 and 76,737).

2005: 70% → 2006: 61% → 2007: 60% → 2008: 70% → 2009: 70% → 2010: 64% → 2011: 54% → 2012: 83% → 2013: 67% → 2014: 73% → 2015: 50% → 2016: 53% → 2017: 53% → 2018: 85% → 2019: 33% → 2020: 100% → 2021: 100% → 2022: 75% → 2023: 100% → 2024: 100% → 2025: 67%

Most common failures

Rbt (sp): efficiency less than 50% of the required value (33.3%)
Stop lamp: adversely affected by the operation of another lamp (33.3%)
Wipers: does not clear the windscreen effectively (33.3%)

Where 1977 Marinas fail

Brakes

33.3%

Lights & electrics

33.3%

Visibility & wipers

33.3%

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.