Alfa Romeo 155 MOT reliability

Alfa Romeo 155s passed their MOT first time 69% of the time across 78 tests in 2025. 51 are still licensed in Great Britain.

These figures come from 78 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

69%

MOTs analysed

78

Still licensed (GB)

51

Body type

Sedan

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

1996 petrol

18 MOTs

These figures come from only 18 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 78%. Typical mileage 102,949 (most between 71,940 and 139,966).

2005: 51% → 2006: 47% → 2007: 43% → 2008: 41% → 2009: 41% → 2010: 41% → 2011: 39% → 2012: 46% → 2013: 61% → 2014: 48% → 2015: 57% → 2016: 47% → 2017: 64% → 2018: 64% → 2019: 77% → 2020: 89% → 2021: 59% → 2022: 70% → 2023: 67% → 2024: 82% → 2025: 78%

Most common failures

Washers: not working (11.1%)
Rbt (sp): efficiency below requirements (11.1%)
Headlamp aim: projected beam image is obviously incorrect (5.6%)
Stop lamp: all not working (5.6%)
Position lamp: with a multiple light source more than 1/2 not functioning (5.6%)

Where 1996 155s fail

Lights & electrics

16.7%

Brakes

11.1%

Exhaust, emissions & leaks

11.1%

Visibility & wipers

11.1%

Seat belts & other equipment

5.6%

Suspension & axles

5.6%

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.