2011 SEAT Altea — MOT failures & pass rate
Across 8,909 MOT tests, the 2011 SEAT Altea recorded a 76.8% pass rate. MPVs of a similar age fail 24.3% of the time, so this is 1.1pp better than the group it competes with. Failures cluster in suspension, lighting & signalling and brakes.
What the MOT record shows
No single area dominates — suspension (11.2%) and lighting & signalling (10.4%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are headlamp aim, coil spring and linkage ball joint dust cover — headlamp aim alone was recorded 526 times.
Mileage is the strongest signal on the record: 13.1% of 0-30k cars fail, rising to 25.3% once past 150k.
Fuel type barely separates them — petrol fails 22.7% of the time against 23.3% for diesel.
Tyres is the most common advisory, noted on 30.0% of tests — work that passed today but is likely due soon.
The trend is worsening — 19.8% of tests failed in 2021 against 25.4% in 2025, the usual pattern as a fleet ages.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Suspension | 11.2% | 997 |
| 2 | Lighting & signalling | 10.4% | 923 |
| 3 | Brakes | 7.8% | 691 |
| 4 | Tyres | 6.0% | 538 |
| 5 | Visibility | 3.6% | 322 |
| 6 | Body, structure & corrosion | 3.4% | 304 |
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 | 526 |
| 2 | Coil spring | 413 |
| 3 | Linkage ball joint dust cover | 369 |
| 4 | Tread depth | 286 |
| 5 | Service brake performance | 277 |
| 6 | Brake pads | 255 |
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 | 30.0% | 2,669 |
| 2 | Suspension | 27.0% | 2,401 |
| 3 | Brakes | 24.7% | 2,199 |
| 4 | Lighting & signalling | 11.4% | 1,012 |
| 5 | Other defects | 9.3% | 829 |
| 6 | Body, structure & corrosion | 8.6% | 763 |
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 | 84 | 13.1% |
| 30-60k | 867 | 17.1% |
| 60-90k | 2,758 | 20.4% |
| 90-120k | 3,079 | 25.0% |
| 120-150k | 1,479 | 27.9% |
| 150k+ | 641 | 25.3% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 7,864 | 23.3% |
| Petrol | 1,045 | 22.7% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 1,888 | 19.8% |
| 2022 | 1,918 | 23.5% |
| 2023 | 1,803 | 23.4% |
| 2024 | 1,697 | 24.4% |
| 2025 | 1,603 | 25.4% |
What to check before buying a 2011 Altea
The failure pattern for this year is specific enough to inspect against: suspension accounted for 11.2% of tests. Start there.
- Suspension (11.2% 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 (10.4% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (7.8% 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 Alteas pass their MOT?
76.8% of the 8,909 2011 SEAT Altea MOT tests in this dataset passed — a 23.2% fail rate.
What is the most common MOT failure on a 2011 SEAT Altea?
Suspension, recorded in 11.2% of tests, followed by lighting & signalling (10.4%).
Does the 2011 Altea get worse with mileage?
Its MOT fail rate rises from 13.1% in the 0-30k band to 25.3% in the 150k+ band.
Methodology & source. Based on 8,909 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.