Mg B MOT data by year
The Mg B appears in 2,218 MOT tests in this dataset across model years 1980–2021. Its most common failure areas are lighting & signalling, emissions & environmental and brakes, and its overall pass rate is 82.2%.
2,218
MOT tests analysed
82.2%
Pass rate
17.8%
Fail rate
1980–2021
Years covered
By model year
| Year | Tests | Pass rate | Fail rate | Most common failure |
|---|---|---|---|---|
| 1980 | 659 | 81.5% | 18.5% | Lighting & signalling |
| 1981 | 843 | 83.0% | 17.0% | Lighting & signalling |
Most common failures (all years)
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 9.1% | 201 |
| 2 | Emissions & environmental | 7.2% | 159 |
| 3 | Brakes | 6.6% | 146 |
| 4 | Visibility | 5.9% | 130 |
| 5 | Suspension | 2.8% | 62 |
| 6 | Body, structure & corrosion | 2.7% | 60 |
| 7 | Steering | 2.5% | 56 |
| 8 | Tyres | 0.8% | 17 |
Methodology & source. Based on 2,218 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.