Triumph S MOT reliability

Triumph Ss passed their MOT first time 75% of the time across 73 tests in 2025.

These figures come from 73 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

75%

MOTs analysed

73

Still licensed (GB)

–

Body type

–

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

1975 petrol

6 MOTs

These figures come from only 6 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 83%. Typical mileage 63,388 (most between 21,909 and 90,067).

2008: 100% → 2009: 0% → 2016: 70% → 2017: 81% → 2018: 79% → 2019: 64% → 2020: 100% → 2021: 50% → 2022: 80% → 2023: 75% → 2024: 67% → 2025: 83%

Most common failures

Position lamp: not working (16.7%)

Where 1975 Ss fail

Lights & electrics

16.7%

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.