Triumph 1500 MOT reliability

Triumph 1500s passed their MOT first time 71% of the time across 14 tests in 2025. 123 are still licensed in Great Britain.

These figures come from only 14 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

14

Still licensed (GB)

123

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

1972 petrol

6 MOTs

Passed first time 83%. Typical mileage 38,754 (most between 35,942 and 50,340).

2005: 50% → 2006: 53% → 2007: 62% → 2008: 63% → 2009: 67% → 2010: 70% → 2011: 89% → 2012: 86% → 2013: 86% → 2014: 38% → 2015: 63% → 2016: 100% → 2017: 67% → 2018: 83% → 2019: 67% → 2020: 100% → 2021: 44% → 2022: 60% → 2023: 80% → 2024: 25% → 2025: 83%

Most common failures

Rbt (sp): efficiency below requirements (16.7%)
Service brake imbalance: across an axle (16.7%)

Where 1972 1500s fail

Brakes

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.