2021 Seat Leon Dynamic Evo — MOT failures & pass rate
Across 5,118 MOT tests analysed for the 2021 Seat Leon Dynamic Evo, the most common recorded failure areas were tyres, lighting & signalling and visibility. Its pass rate of 89.8% was below the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 18.5% in the 60-90k group versus 7.9% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 6.3% | 322 |
| 2 | Lighting & signalling | 2.9% | 146 |
| 3 | Visibility | 2.3% | 119 |
| 4 | Suspension | 1.8% | 90 |
| 5 | Brakes | 0.9% | 45 |
| 6 | Seat belts & restraints | 0.5% | 28 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Tread depth | 127 |
| 2 | Headlamp aim | 125 |
| 3 | Washers | 94 |
| 4 | Shock absorbers | 47 |
| 5 | Reversing lamps | 40 |
| 6 | Coil spring | 36 |
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 | 26.2% | 1,343 |
| 2 | Suspension | 10.1% | 515 |
| 3 | Other defects | 6.6% | 335 |
| 4 | Brakes | 5.9% | 304 |
| 5 | Visibility | 2.1% | 107 |
| 6 | Road wheels | 0.3% | 17 |
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 | 2,573 | 7.9% |
| 30-60k | 2,285 | 11.8% |
| 60-90k | 232 | 18.5% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2023 | 106 | 7.5% |
| 2024 | 2,460 | 8.3% |
| 2025 | 2,550 | 12.1% |
What to check before buying a 2021 Leon Dynamic Evo
Before buying a 2021 Seat Leon Dynamic Evo, focus on the areas it most often fails on. Tyres accounted for 6.3% of tests for this year.
- Tyres (6.3% 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 (2.9% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Visibility (2.3% 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 Seat Leon Dynamic Evos pass their MOT?
89.8% of the 5,118 2021 Seat Leon Dynamic Evo MOT tests in this dataset passed — a 10.2% fail rate.
What is the most common MOT failure on a 2021 Seat Leon Dynamic Evo?
Tyres, recorded in 6.3% of tests, followed by lighting & signalling (2.9%).
Does the 2021 Leon Dynamic Evo get worse with mileage?
Its MOT fail rate rises from 7.9% in the 0-30k band to 18.5% in the 60-90k band.
Methodology & source. Based on 5,118 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.