2000 Mazda MX-5 — MOT failures & pass rate
Across 18,734 MOT tests, the 2000 Mazda MX-5 recorded a 73.1% pass rate. Coupes & convertibles of a similar age fail 22.4% of the time, so this is 4.5pp worse than the group it competes with. Failures cluster in emissions & environmental, lighting & signalling and brakes.
What the MOT record shows
No single area dominates — emissions & environmental (13.0%) and lighting & signalling (11.7%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are catalyst emissions, headlamp aim and component mounting prescribed areas — catalyst emissions alone was recorded 3,067 times.
Condition tracks the odometer closely. Failures run at 12.6% in the 0-30k band and 30.3% in the 150k+ band, a 17.8-point spread — more than double.
Brakes is the most common advisory, noted on 30.4% of tests — work that passed today but is likely due soon.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Emissions & environmental | 13.0% | 2,427 |
| 2 | Lighting & signalling | 11.7% | 2,189 |
| 3 | Brakes | 10.7% | 1,997 |
| 4 | Suspension | 8.4% | 1,569 |
| 5 | Body, structure & corrosion | 4.9% | 917 |
| 6 | Visibility | 4.0% | 748 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Catalyst emissions | 3,067 |
| 2 | Headlamp aim | 944 |
| 3 | Component mounting prescribed areas | 925 |
| 4 | Prescribed areas | 903 |
| 5 | Headlamp | 893 |
| 6 | Service brake performance | 888 |
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 | 30.4% | 5,698 |
| 2 | Suspension | 29.8% | 5,583 |
| 3 | Tyres | 16.0% | 2,999 |
| 4 | Body, structure & corrosion | 15.3% | 2,869 |
| 5 | Emissions & environmental | 12.9% | 2,422 |
| 6 | Lighting & signalling | 9.8% | 1,846 |
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 | 533 | 12.6% |
| 30-60k | 2,855 | 19.7% |
| 60-90k | 5,941 | 26.2% |
| 90-120k | 5,260 | 30.8% |
| 120-150k | 2,626 | 29.2% |
| 150k+ | 1,504 | 30.3% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 4,588 | 27.2% |
| 2022 | 4,230 | 27.0% |
| 2023 | 3,820 | 27.6% |
| 2024 | 3,197 | 26.2% |
| 2025 | 2,899 | 26.1% |
What to check before buying a 2000 MX-5
The failure pattern for this year is specific enough to inspect against: emissions & environmental accounted for 13.0% of tests. Start there.
- Emissions & environmental (13.0% of tests): More common on older diesels (DPF/EGR) — can be expensive; check for warning lights and smoke. Typical repair: £100–£600.
- Lighting & signalling (11.7% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Brakes (10.7% 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 2000 Mazda MX-5s pass their MOT?
73.1% of the 18,734 2000 Mazda MX-5 MOT tests in this dataset passed — a 26.9% fail rate.
What is the most common MOT failure on a 2000 Mazda MX-5?
Emissions & environmental, recorded in 13.0% of tests, followed by lighting & signalling (11.7%).
Does the 2000 MX-5 get worse with mileage?
Its MOT fail rate rises from 12.6% in the 0-30k band to 30.3% in the 150k+ band.
Methodology & source. Based on 18,734 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.