2011 Seat Leon — MOT failures & pass rate
Across 43,321 MOT tests analysed for the 2011 Seat Leon, the most common recorded failure areas were suspension, lighting & signalling and brakes. Its pass rate of 77.4% was in line with the average for small family cars of a similar age (77.3%). Higher-mileage examples failed more often — 24.8% in the 150k+ group versus 10.4% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Suspension | 12.1% | 5,256 |
| 2 | Lighting & signalling | 9.0% | 3,911 |
| 3 | Brakes | 7.3% | 3,175 |
| 4 | Tyres | 6.2% | 2,688 |
| 5 | Body, structure & corrosion | 3.7% | 1,607 |
| 6 | Emissions & environmental | 3.3% | 1,408 |
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 | 2,726 |
| 2 | Tread depth | 1,908 |
| 3 | Coil spring | 1,695 |
| 4 | Shock absorbers | 1,694 |
| 5 | Linkage ball joint dust cover | 1,552 |
| 6 | Service brake performance | 1,223 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Suspension | 35.7% | 15,475 |
| 2 | Tyres | 30.2% | 13,087 |
| 3 | Brakes | 24.2% | 10,499 |
| 4 | Other defects | 9.7% | 4,218 |
| 5 | Body, structure & corrosion | 9.5% | 4,119 |
| 6 | Lighting & signalling | 7.8% | 3,362 |
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 | 212 | 10.4% |
| 30-60k | 2,755 | 15.6% |
| 60-90k | 11,566 | 20.8% |
| 90-120k | 15,200 | 23.7% |
| 120-150k | 9,002 | 24.3% |
| 150k+ | 4,578 | 24.8% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 29,707 | 22.7% |
| Petrol | 13,611 | 22.4% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 9,417 | 20.4% |
| 2022 | 9,372 | 22.4% |
| 2023 | 8,893 | 23.1% |
| 2024 | 8,261 | 23.5% |
| 2025 | 7,378 | 24.0% |
What to check before buying a 2011 Leon
Before buying a 2011 Seat Leon, focus on the areas it most often fails on. Suspension accounted for 12.1% of tests for this year.
- Suspension (12.1% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
- Lighting & signalling (9.0% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (7.3% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.
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 2011 Seat Leons pass their MOT?
77.4% of the 43,321 2011 Seat Leon MOT tests in this dataset passed — a 22.6% fail rate.
What is the most common MOT failure on a 2011 Seat Leon?
Suspension, recorded in 12.1% of tests, followed by lighting & signalling (9.0%).
Does the 2011 Leon get worse with mileage?
Its MOT fail rate rises from 10.4% in the 0-30k band to 24.8% in the 150k+ band.
Methodology & source. Based on 43,321 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.