Alfa Romeo 33 MOT reliability

Alfa Romeo 33s passed their MOT first time 67% of the time across 49 tests in 2025. 23 are still licensed in Great Britain.

These figures come from 49 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

67%

MOTs analysed

49

Still licensed (GB)

23

Body type

Hatchback

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

1991 petrol

7 MOTs

These figures come from only 7 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 57%. Typical mileage 91,627 (most between 73,532 and 96,625).

2005: 44% → 2006: 55% → 2007: 48% → 2008: 52% → 2009: 40% → 2010: 42% → 2011: 48% → 2012: 56% → 2013: 38% → 2014: 46% → 2015: 42% → 2016: 25% → 2017: 73% → 2018: 58% → 2019: 20% → 2020: 43% → 2021: 67% → 2022: 83% → 2023: 50% → 2024: 67% → 2025: 57%

Most common failures

Brake performance not tested: unable to be tested (14.3%)
Rigid brake pipes: connection leaking on a hydraulic braking system (14.3%)
Service brake imbalance: across an axle (14.3%)
Floor: excessively deteriorated (14.3%)
Integral vehicle structure condition: corroded to the extent that the rigidity of the assembly is significantly reduced (14.3%)

Where 1991 33s fail

Brakes

28.6%

Body, structure & corrosion

14.3%

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.