Ci C1 MOT reliability

Ci C1s passed their MOT first time 75% of the time across 4 tests in 2025.

These figures come from only 4 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

75%

MOTs analysed

4

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

2004 diesel

1 MOT

Passed first time 0%. Typical mileage 49,510 (most between 49,510 and 49,510).

2007: 100% → 2008: 100% → 2009: 100% → 2010: 100% → 2011: 100% → 2013: 0% → 2014: 100% → 2015: 0% → 2016: 100% → 2017: 100% → 2018: 100% → 2019: 100% → 2020: 0% → 2021: 0% → 2022: 0% → 2024: 100% → 2025: 0%

Most common failures

Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt (100.0%)
Rear fog lamp: not working (100.0%)

Where 2004 C1s fail

Body, structure & corrosion

100.0%

Lights & electrics

100.0%

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.