2021 Ford Fiesta Vignale T Mhev — MOT failures & pass rate
Across 2,010 MOT tests analysed for the 2021 Ford Fiesta Vignale T Mhev, the most common recorded failure areas were lighting & signalling, tyres and visibility. Its pass rate of 94.4% was above the average for cars of a similar age (91.3%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 4.3% | 87 |
| 2 | Tyres | 3.5% | 71 |
| 3 | Visibility | 1.2% | 24 |
| 4 | Suspension | 0.6% | 12 |
| 5 | Brakes | 0.4% | 8 |
| 6 | Seat belts & restraints | 0.2% | 4 |
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 | 123 |
| 2 | Tread depth | 19 |
| 3 | Washers | 18 |
| 4 | Shock absorbers | 16 |
| 5 | Wipers | 8 |
| 6 | Front fog lamps | 4 |
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 | 16.8% | 338 |
| 2 | Road wheels | 3.4% | 68 |
| 3 | Brakes | 3.3% | 66 |
| 4 | Other defects | 2.9% | 58 |
| 5 | Suspension | 1.1% | 23 |
| 6 | Visibility | 1.0% | 21 |
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 | 1,623 | 4.7% |
| 30-60k | 369 | 8.9% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Petrol | 1,977 | 5.7% |
| Hybrid | 33 | 3.0% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 91 | 1.1% |
| 2024 | 978 | 5.7% |
| 2025 | 939 | 6.0% |
What to check before buying a 2021 Fiesta Vignale T Mhev
Before buying a 2021 Ford Fiesta Vignale T Mhev, focus on the areas it most often fails on. Lighting & signalling accounted for 4.3% of tests for this year.
- Lighting & signalling (4.3% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Tyres (3.5% 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.
- Visibility (1.2% 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 2021 Ford Fiesta Vignale T Mhevs pass their MOT?
94.4% of the 2,010 2021 Ford Fiesta Vignale T Mhev MOT tests in this dataset passed — a 5.6% fail rate.
What is the most common MOT failure on a 2021 Ford Fiesta Vignale T Mhev?
Lighting & signalling, recorded in 4.3% of tests, followed by tyres (3.5%).
Does the 2021 Fiesta Vignale T Mhev get worse with mileage?
Its MOT fail rate rises from 4.7% in the 0-30k band to 8.9% in the 30-60k band.
Methodology & source. Based on 2,010 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.