2000 Mazda Demio — MOT failures & pass rate
Across 1,223 MOT tests analysed for the 2000 Mazda Demio, the most common recorded failure areas were suspension, lighting & signalling and body, structure & corrosion. Its pass rate of 71.0% was below the average for cars of a similar age (75.1%). Higher-mileage examples failed more often — 35.5% in the 120-150k group versus 7.7% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Suspension | 16.0% | 196 |
| 2 | Lighting & signalling | 13.0% | 159 |
| 3 | Body, structure & corrosion | 10.8% | 132 |
| 4 | Brakes | 8.1% | 99 |
| 5 | Visibility | 6.7% | 82 |
| 6 | Tyres | 5.6% | 69 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Component mounting prescribed areas | 191 |
| 2 | Joints | 88 |
| 3 | Wipers | 74 |
| 4 | Headlamp | 65 |
| 5 | Position lamp | 62 |
| 6 | Catalyst emissions | 58 |
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 | 41.9% | 513 |
| 2 | Brakes | 32.1% | 393 |
| 3 | Tyres | 26.4% | 323 |
| 4 | Body, structure & corrosion | 23.1% | 282 |
| 5 | Other defects | 17.5% | 214 |
| 6 | Lighting & signalling | 12.7% | 155 |
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 | 52 | 7.7% |
| 30-60k | 285 | 21.4% |
| 60-90k | 557 | 31.8% |
| 90-120k | 250 | 33.6% |
| 120-150k | 62 | 35.5% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 396 | 29.8% |
| 2022 | 301 | 29.9% |
| 2023 | 221 | 29.4% |
| 2024 | 162 | 25.9% |
| 2025 | 143 | 28.0% |
What to check before buying a 2000 Demio
Before buying a 2000 Mazda Demio, focus on the areas it most often fails on. Suspension accounted for 16.0% of tests for this year.
- Suspension (16.0% 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 (13.0% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Body, structure & corrosion (10.8% 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 2000 Mazda Demios pass their MOT?
71.0% of the 1,223 2000 Mazda Demio MOT tests in this dataset passed — a 29.0% fail rate.
What is the most common MOT failure on a 2000 Mazda Demio?
Suspension, recorded in 16.0% of tests, followed by lighting & signalling (13.0%).
Does the 2000 Demio get worse with mileage?
Its MOT fail rate rises from 7.7% in the 0-30k band to 35.5% in the 120-150k band.
Methodology & source. Based on 1,223 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.