9 models · 219,699 MOT tests
MG reliability
MG cars fail 24.5% of first MOT tests (all cars: 28.4%), 19% more MOT fails than the average car its age and mileage. The most reliable MG on MOT results is the MG HS Exclusive; the least is the MG 3.
Ranked
Every MG model, most reliable first
Ranked against cars of the same age and mileage, so a new model and an old one are judged fairly.
| # | Model | Type | Tests | Fail rate | Verdict |
|---|---|---|---|---|---|
| 1 | MG HS Exclusive2019–2021 cars | Family SUV | 6,973 | 8.3% | Better than average |
| 2 | MG ZT2001–2021 cars | Large family car | 5,479 | 35.1% | About average |
| 3 | MG TF1996–2014 cars | Sports car and convertible | 33,337 | 30.8% | About average |
| 4 | MG ZR2001–2011 cars | Small car | 7,814 | 37.5% | About average |
| 5 | MGF1996–2012 cars | Sports car and convertible | 18,775 | 34.1% | About average |
| 6 | MG ZS2001–2021 cars | Small SUV | 72,543 | 18.3% | Well below average |
| 7 | MG GS2016–2019 cars | Family hatchback | 9,270 | 21.3% | Well below average |
| 8 | MG 62011–2020 cars | Family hatchback | 7,365 | 38.2% | Well below average |
| 9 | MG 32013–2021 cars | Small car | 58,143 | 23.4% | Well below average |
Compare across every brand in the UK MOT Reliability Index.
Questions
MG reliability questions
Are MG cars reliable?
MG cars fail 24.5% of first MOT tests, 19% more MOT fails than the average car its age and mileage, across 219,699 UK MOT tests from 2022 to 2024.
What is the most reliable MG?
On MOT results, the MG HS Exclusive: it fails 8.3% of first tests, 29% fewer MOT fails than the average car its age.
Which MG should I avoid?
The MG 3 has the weakest MOT record of the MG range (44% more MOT fails than the average car its age). Check any used one's MOT history before you buy.
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