2010 Seat Leon — MOT failures & pass rate
Across 39,520 MOT tests analysed for the 2010 Seat Leon, the most common recorded failure areas were suspension, lighting & signalling and brakes. Its pass rate of 75.5% was in line with the average for small family cars of a similar age (75.9%). Higher-mileage examples failed more often — 26.2% in the 150k+ group versus 14.4% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Suspension | 14.7% | 5,795 |
| 2 | Lighting & signalling | 9.5% | 3,740 |
| 3 | Brakes | 8.6% | 3,398 |
| 4 | Tyres | 6.1% | 2,417 |
| 5 | Body, structure & corrosion | 4.4% | 1,736 |
| 6 | Emissions & environmental | 4.0% | 1,600 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Coil spring | 2,509 |
| 2 | Headlamp aim | 2,435 |
| 3 | Tread depth | 1,758 |
| 4 | Ball joint dust cover | 1,677 |
| 5 | Linkage ball joint dust cover | 1,522 |
| 6 | Service brake performance | 1,318 |
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 | 37.0% | 14,618 |
| 2 | Tyres | 29.8% | 11,786 |
| 3 | Brakes | 24.6% | 9,705 |
| 4 | Body, structure & corrosion | 11.1% | 4,404 |
| 5 | Other defects | 9.6% | 3,803 |
| 6 | Lighting & signalling | 9.5% | 3,738 |
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 | 132 | 14.4% |
| 30-60k | 1,659 | 17.9% |
| 60-90k | 8,293 | 23.5% |
| 90-120k | 13,727 | 24.9% |
| 120-150k | 10,036 | 25.1% |
| 150k+ | 5,664 | 26.2% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 28,850 | 24.7% |
| Petrol | 10,670 | 23.9% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 8,992 | 23.8% |
| 2022 | 8,677 | 24.7% |
| 2023 | 8,086 | 24.1% |
| 2024 | 7,302 | 25.1% |
| 2025 | 6,463 | 25.1% |
What to check before buying a 2010 Leon
Before buying a 2010 Seat Leon, focus on the areas it most often fails on. Suspension accounted for 14.7% of tests for this year.
- Suspension (14.7% 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 (9.5% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (8.6% 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 2010 Seat Leons pass their MOT?
75.5% of the 39,520 2010 Seat Leon MOT tests in this dataset passed — a 24.5% fail rate.
What is the most common MOT failure on a 2010 Seat Leon?
Suspension, recorded in 14.7% of tests, followed by lighting & signalling (9.5%).
Does the 2010 Leon get worse with mileage?
Its MOT fail rate rises from 14.4% in the 0-30k band to 26.2% in the 150k+ band.
Methodology & source. Based on 39,520 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.