1997 Mazda Mx-3 — MOT failures & pass rate
The 1997 Mazda Mx-3 passed 71.0% of its 355 recorded MOT tests. That is 3.9 percentage points worse than all cars of a similar age, which fail at 25.1%. Failures cluster in suspension, brakes and lighting & signalling.
What the MOT record shows
No single area dominates — suspension (14.6%) and brakes (14.1%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are component mounting prescribed areas, service brake performance and headlamp aim — component mounting prescribed areas alone was recorded 58 times.
A 120-150k example is materially riskier than a 30-60k one: 30.2% versus 20.2%.
Brakes is the most common advisory, noted on 36.9% of tests — work that passed today but is likely due soon.
The trend is improving — the fail rate fell from 31.0% in 2021 to 23.2% in 2025, as the worst-kept examples leave the fleet.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Suspension | 14.6% | 52 |
| 2 | Brakes | 14.1% | 50 |
| 3 | Lighting & signalling | 13.8% | 49 |
| 4 | Visibility | 7.3% | 26 |
| 5 | Body, structure & corrosion | 7.0% | 25 |
| 6 | Emissions & environmental | 5.6% | 20 |
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 | 58 |
| 2 | Service brake performance | 28 |
| 3 | Headlamp aim | 22 |
| 4 | Catalyst emissions | 17 |
| 5 | Washers | 16 |
| 6 | Integral vehicle structure condition | 15 |
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 | 36.9% | 131 |
| 2 | Suspension | 36.3% | 129 |
| 3 | Tyres | 26.2% | 93 |
| 4 | Emissions & environmental | 22.3% | 79 |
| 5 | Body, structure & corrosion | 16.6% | 59 |
| 6 | Steering | 6.2% | 22 |
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 | 94 | 20.2% |
| 60-90k | 74 | 28.4% |
| 90-120k | 126 | 37.3% |
| 120-150k | 43 | 30.2% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 87 | 31.0% |
| 2022 | 79 | 30.4% |
| 2023 | 66 | 28.8% |
| 2024 | 67 | 29.8% |
| 2025 | 56 | 23.2% |
What to check before buying a 1997 Mx-3
The failure pattern for this year is specific enough to inspect against: suspension accounted for 14.6% of tests. Start there.
- Suspension (14.6% 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.
- Brakes (14.1% 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.
- Lighting & signalling (13.8% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
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 1997 Mazda Mx-3s pass their MOT?
71.0% of the 355 1997 Mazda Mx-3 MOT tests in this dataset passed — a 29.0% fail rate.
What is the most common MOT failure on a 1997 Mazda Mx-3?
Suspension, recorded in 14.6% of tests, followed by brakes (14.1%).
Does the 1997 Mx-3 get worse with mileage?
Its MOT fail rate rises from 20.2% in the 30-60k band to 30.2% in the 120-150k band.
Methodology & source. Based on 355 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.