2015 Vauxhall Cascada — MOT failures & pass rate
Across 3,366 MOT tests analysed for the 2015 Vauxhall Cascada, the most common recorded failure areas were suspension, tyres and brakes. Its pass rate of 83.7% was in line with the average for cars of a similar age (84.2%). Higher-mileage examples failed more often — 22.2% in the 120-150k group versus 9.3% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Suspension | 8.1% | 273 |
| 2 | Tyres | 4.9% | 166 |
| 3 | Brakes | 4.0% | 134 |
| 4 | Lighting & signalling | 2.9% | 98 |
| 5 | Visibility | 2.6% | 88 |
| 6 | Emissions & environmental | 1.6% | 53 |
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 | 302 |
| 2 | Brake pads | 116 |
| 3 | Headlamp aim | 64 |
| 4 | Tread depth | 62 |
| 5 | Washers | 58 |
| 6 | Tyre pressure monitoring system | 42 |
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 | 25.3% | 851 |
| 2 | Brakes | 18.8% | 631 |
| 3 | Suspension | 5.7% | 191 |
| 4 | Other defects | 5.1% | 173 |
| 5 | Emissions & environmental | 4.5% | 152 |
| 6 | Lighting & signalling | 2.0% | 68 |
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 | 600 | 9.3% |
| 30-60k | 1,695 | 16.4% |
| 60-90k | 801 | 19.0% |
| 90-120k | 199 | 23.1% |
| 120-150k | 45 | 22.2% |
Failure rate by age
By fuel type
| Fuel | Tests | Fail rate |
|---|---|---|
| Diesel | 1,876 | 17.3% |
| Petrol | 1,490 | 15.1% |
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 663 | 14.9% |
| 2022 | 684 | 15.8% |
| 2023 | 692 | 17.2% |
| 2024 | 662 | 16.6% |
| 2025 | 665 | 17.1% |
What to check before buying a 2015 Cascada
Before buying a 2015 Vauxhall Cascada, focus on the areas it most often fails on. Suspension accounted for 8.1% of tests for this year.
- Suspension (8.1% 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.
- Tyres (4.9% 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.
- Brakes (4.0% 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 2015 Vauxhall Cascadas pass their MOT?
83.7% of the 3,366 2015 Vauxhall Cascada MOT tests in this dataset passed — a 16.3% fail rate.
What is the most common MOT failure on a 2015 Vauxhall Cascada?
Suspension, recorded in 8.1% of tests, followed by tyres (4.9%).
Does the 2015 Cascada get worse with mileage?
Its MOT fail rate rises from 9.3% in the 0-30k band to 22.2% in the 120-150k band.
Methodology & source. Based on 3,366 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.