Gmc G20 MOT reliability

Gmc G20s passed their MOT first time 50% of the time across 2 tests in 2025.

These figures come from only 2 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

50%

MOTs analysed

2

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

1993 petrol

2 MOTs

Passed first time 50%. Typical mileage 235,846 (most between 235,823 and 235,868).

2005: 100% → 2006: 100% → 2007: 100% → 2008: 0% → 2009: 100% → 2010: 100% → 2011: 100% → 2012: 100% → 2013: 100% → 2014: 0% → 2015: 0% → 2016: 100% → 2017: 0% → 2018: 0% → 2020: 0% → 2022: 100% → 2023: 0% → 2024: 0% → 2025: 50%

Most common failures

Ball joint excessively worn (50.0%)
Cable: damaged (50.0%)
Coil spring: fractured or broken (50.0%)
Headlamp aim: too low (50.0%)
Horn: not working (50.0%)

Where 1993 G20s fail

Brakes

50.0%

Lights & electrics

50.0%

Steering

50.0%

Suspension & axles

50.0%

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.