MG 4 — reliability by registration year
2022–2023 · 2 registration years · 3,602 first tests
2022
breaks the run — 3.6 pp worse than the years either side
Registration years
First-attempt MOT results for every 4 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. Years without their own report are listed here with the same figures.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2023 | 910 | 91.5% | 93.6% | |
| 2022 | 2,692 | 87.9% | 92.6% | Tyres — Condition (front) 18.1% |
| 3.6 pp worse than the years either side What failed 2022 4s most often: Tyres — Condition (front) (18.1%) · Headlamp aim (front) (16.6%) | ||||