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% | Tyres — Condition (front) 14.9% |
| 2021 | 1,868 | 82.1% | 87.7% | Tyres — Condition (front) 17.5% |
| 2020 | 2,366 | 79.0% | 85.1% | Tyres — Condition (front) 16.2% |
| 2019 | 3,477 | 75.1% | 81.7% | Tyres — Condition (front) 14.1% |
| 2018 | 2,441 | 71.7% | 77.8% | Tyres — Condition (front) 12.3% |
| 2017 | 2,714 | 69.2% | 74.9% | Rbt (sp) 15.7% |
| 2016 | 2,888 | 71.0% | 76.2% | Pins and bushes (front) 12.1% |
| 3.8 pp better than the years either side What failed 2016 3s most often: Pins and bushes (front) (12.1%) · Rbt (sp) (8.7%) · Coil spring (rear) (8.5%) | ||||
| 2015 | 2,139 | 65.1% | 71.9% | SRS malfunction indicator lamp 19.4% |
| 3.6 pp worse than the years either side What failed 2015 3s most often: SRS malfunction indicator lamp (19.4%) · Pins and bushes (front) (12.7%) · Tyres — Condition (front) (8.9%) | ||||
| 2014 | 1,443 | 66.5% | 71.8% | SRS malfunction indicator lamp 18.6% |