152,121 tests in 2025
MG MOT pass rates
MG’s first-time fail rate across 13 models was 15.2%, better than the national 22.6%. The spread between models below is the interesting part.
| Model | Tests | Pass rate | Fail rate | Median miles |
|---|---|---|---|---|
| Zs | 40,668 | 84.7% | 15.3% | 30,980 |
| Hs | 29,853 | 91.5% | 8.5% | 26,507 |
| 3 | 23,008 | 80.9% | 19.1% | 34,611 |
| Zs Electric | 17,821 | 87.5% | 12.5% | 31,593 |
| 5 | 13,352 | 89.5% | 10.5% | 39,843 |
| Tf | 8,031 | 73.6% | 26.4% | 56,565 |
| Mgf | 4,928 | 70.4% | 29.6% | 63,416 |
| 4 | 3,991 | 92.6% | 7.4% | 26,442 |
| B | 3,577 | 84.6% | 15.4% | 41,652 |
| Gs | 2,615 | 78.7% | 21.3% | 52,258 |
| Zr | 1,608 | 72.5% | 27.5% | 81,011 |
| 6 | 1,486 | 68.4% | 31.6% | 72,779 |
| Zt | 1,183 | 69.6% | 30.4% | 95,162 |
Fail rates are first attempts at class 4 normal tests in 2025, from DVSA’s anonymised data (retrieved 2026-09-12). Age mix drives a lot of the spread: a model sold mostly since 2020 will beat one whose survivors average 15 years old. Each model page shows the rate by age band.