2020 Ford Fiesta Stline X T Mhev — MOT failures & pass rate
Across 4,302 MOT tests analysed for the 2020 Ford Fiesta Stline X T Mhev, the most common recorded failure areas were tyres, lighting & signalling and visibility. Its pass rate of 92.0% was above the average for cars of a similar age (90.5%). Higher-mileage examples failed more often — 17.1% in the 60-90k group versus 5.8% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 5.1% | 218 |
| 2 | Lighting & signalling | 4.4% | 188 |
| 3 | Visibility | 1.5% | 63 |
| 4 | Brakes | 0.9% | 37 |
| 5 | Emissions & environmental | 0.6% | 24 |
| 6 | Suspension | 0.4% | 17 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Headlamp aim | 236 |
| 2 | Washers | 53 |
| 3 | Tread depth | 35 |
| 4 | Catalyst emissions | 20 |
| 5 | Brake pads | 19 |
| 6 | Side repeaters | 17 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Tyres | 21.0% | 902 |
| 2 | Brakes | 11.1% | 479 |
| 3 | Road wheels | 5.8% | 251 |
| 4 | Other defects | 4.7% | 203 |
| 5 | Visibility | 1.2% | 53 |
| 6 | Suspension | 0.8% | 36 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 2,665 | 5.8% |
| 30-60k | 1,522 | 11.2% |
| 60-90k | 105 | 17.1% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Petrol | 4,270 | 8.0% |
| Hybrid | 32 | 3.1% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 1,388 | 5.9% |
| 2024 | 1,436 | 8.7% |
| 2025 | 1,476 | 9.2% |
What to check before buying a 2020 Fiesta Stline X T Mhev
Before buying a 2020 Ford Fiesta Stline X T Mhev, focus on the areas it most often fails on. Tyres accounted for 5.1% of tests for this year.
- Tyres (5.1% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
- Lighting & signalling (4.4% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (1.5% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£150.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2020 Ford Fiesta Stline X T Mhevs pass their MOT?
92.0% of the 4,302 2020 Ford Fiesta Stline X T Mhev MOT tests in this dataset passed — a 8.0% fail rate.
What is the most common MOT failure on a 2020 Ford Fiesta Stline X T Mhev?
Tyres, recorded in 5.1% of tests, followed by lighting & signalling (4.4%).
Does the 2020 Fiesta Stline X T Mhev get worse with mileage?
Its MOT fail rate rises from 5.8% in the 0-30k band to 17.1% in the 60-90k band.
Methodology & source. Based on 4,302 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.