2007 Mazda Bt-50 — MOT failures & pass rate
Across 1,530 MOT tests analysed for the 2007 Mazda Bt-50, the most common recorded failure areas were lighting & signalling, brakes and body, structure & corrosion. Its pass rate of 74.3% was in line with the average for cars of a similar age (74.7%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 17.4% | 266 |
| 2 | Brakes | 11.8% | 180 |
| 3 | Body, structure & corrosion | 10.1% | 155 |
| 4 | Suspension | 9.5% | 146 |
| 5 | Visibility | 6.7% | 103 |
| 6 | Emissions & environmental | 5.4% | 83 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Rigid brake pipes | 133 |
| 2 | Position lamp | 121 |
| 3 | Chassis condition | 108 |
| 4 | Component mounting prescribed areas | 89 |
| 5 | Wipers | 82 |
| 6 | Headlamp | 78 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Brakes | 34.4% | 527 |
| 2 | Suspension | 30.7% | 470 |
| 3 | Body, structure & corrosion | 23.6% | 361 |
| 4 | Tyres | 18.6% | 285 |
| 5 | Lighting & signalling | 17.6% | 269 |
| 6 | Steering | 12.9% | 198 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 30-60k | 155 | 27.1% |
| 60-90k | 257 | 21.0% |
| 90-120k | 426 | 27.9% |
| 120-150k | 368 | 31.0% |
| 150k+ | 304 | 21.1% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 399 | 27.8% |
| 2022 | 345 | 26.4% |
| 2023 | 310 | 26.5% |
| 2024 | 242 | 19.8% |
| 2025 | 234 | 26.5% |
What to check before buying a 2007 Bt-50
Before buying a 2007 Mazda Bt-50, focus on the areas it most often fails on. Lighting & signalling accounted for 17.4% of tests for this year.
- Lighting & signalling (17.4% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (11.8% 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.
- Body, structure & corrosion (10.1% of tests): The one to take seriously on older cars — corrosion to structural areas can be costly and is an MOT failure. Typical repair: £200–£1,500+.
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 2007 Mazda Bt-50s pass their MOT?
74.3% of the 1,530 2007 Mazda Bt-50 MOT tests in this dataset passed — a 25.8% fail rate.
What is the most common MOT failure on a 2007 Mazda Bt-50?
Lighting & signalling, recorded in 17.4% of tests, followed by brakes (11.8%).
Does the 2007 Bt-50 get worse with mileage?
Its MOT fail rate rises from 27.1% in the 30-60k band to 21.1% in the 150k+ band.
Methodology & source. Based on 1,530 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.