2020 Ford Fiesta ST-Line Edition Turbo MOT pass rate: 89.8% (19,482 tests)
Is the 2020 Fiesta ST-Line Edition Turbo getting worse?
Pass rate of 2020-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 90.3% -0.5 vs same-age |
|
| 2024 | 90.2% +0.2 vs same-age |
|
| 2025 | 88.8% -0.1 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 2020 Fiesta ST-Line Edition Turbo
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 1,327 | 40.7% |
| 2 | Brakes | 518 | 15.9% |
| 3 | Lamps, reflectors and electrical equipment | 501 | 15.4% |
| 4 | Noise, emissions and leaks | 317 | 9.7% |
| 5 | Visibility | 237 | 7.3% |
| 6 | Seat belts and supplementary restraint systems | 113 | 3.5% |
All Fiesta ST-Line Edition Turbo years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2020 (this page) | 19,482 | 89.8% | -0.1 pts | 26,896 |
| 2021 | 7,943 | 91.3% | +0.9 pts | 24,430 |
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FAQs
Is a 2020 Ford Fiesta ST-Line Edition Turbo reliable?
2020-registered examples passed 89.8% of their MOT tests (19,482 tests, 2023–2025), -0.1 points versus all UK cars registered in the same year. At roughly 6 years old with a median 26,896 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2020 Fiesta ST-Line Edition Turbo?
The median tested example shows 26,896 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.