Dethleffs I MOT reliability

Dethleffs Is passed their MOT first time 86% of the time across 14 tests in 2025.

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

86%

MOTs analysed

14

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

2019 diesel

3 MOTs

Passed first time 67%. Typical mileage 25,323 (most between 17,551 and 29,108).

2022: 100% → 2023: 100% → 2024: 100% → 2025: 67%

Most common failures

Wipers: does not clear the windscreen effectively (33.3%)

Where 2019 Is fail

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.