2021 Ford Fiesta ST-Line Edition T Mhev MOT pass rate: 93.0% (8,975 tests)
Is the 2021 Fiesta ST-Line Edition T Mhev getting worse?
Pass rate of 2021-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2024 | 93.2% +2.6 vs same-age |
|
| 2025 | 92.8% +2.6 vs same-age |
The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.
What fails on a 2021 Fiesta ST-Line Edition T Mhev
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 449 | 46.3% |
| 2 | Lamps, reflectors and electrical equipment | 183 | 18.9% |
| 3 | Visibility | 107 | 11.0% |
| 4 | Brakes | 88 | 9.1% |
| 5 | Noise, emissions and leaks | 43 | 4.4% |
| 6 | Suspension | 31 | 3.2% |
All Fiesta ST-Line Edition T Mhev years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2020 | 10,101 | 91.9% | +2.0 pts | 25,326 |
| 2021 (this page) | 8,975 | 93.0% | +2.6 pts | 23,567 |
| 2022 | 1,630 | 93.4% | +2.2 pts | 19,770 |
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FAQs
Is a 2021 Ford Fiesta ST-Line Edition T Mhev reliable?
2021-registered examples passed 93.0% of their MOT tests (8,975 tests, 2023–2025), +2.6 points versus all UK cars registered in the same year. At roughly 5 years old with a median 23,567 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2021 Fiesta ST-Line Edition T Mhev?
The median tested example shows 23,567 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.
Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.