MG 3: reliability by registration year
2014-2022 · 9 registration years · 23,335 first tests
Registration years
First-attempt MOT results for every 3 registration year with at least 500 first tests in 2025. Pass rates rise with newer cars, so read a year against its neighbours rather than against the top of the table.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2022 | 3,999 | 84.8% | 89.9% | Tyre condition (front) 14.9% |
| 2021 | 1,868 | 82.1% | 87.7% | Tyre condition (front) 17.5% |
| 2020 | 2,366 | 79.0% | 85.1% | Tyre condition (front) 16.2% |
| 2019 | 3,477 | 75.1% | 81.7% | Tyre condition (front) 14.1% |
| 2018 | 2,441 | 71.7% | 77.8% | Tyre condition (front) 12.3% |
| 2017 | 2,714 | 69.2% | 74.9% | Handbrake efficiency below minimum (roller test) 15.7% |
| 2016 | 2,888 | 71.0% | 76.2% | Suspension arm pins and bushes (front) 12.1% |
| about 4 in every 100 better than the years either side. What most often failed a 2016 3: Suspension arm pins and bushes (front) (12.1%) · Handbrake efficiency below minimum (roller test) (8.7%) · Coil spring (rear) (8.5%) | ||||
| 2015 | 2,139 | 65.1% | 71.9% | Airbag warning light 19.4% |
| about 4 in every 100 worse than the years either side. What most often failed a 2015 3: Airbag warning light (19.4%) · Suspension arm pins and bushes (front) (12.7%) · Tyre condition (front) (8.9%) | ||||
| 2014 | 1,443 | 66.5% | 71.8% | Airbag warning light 18.6% |