Mazda MX-30 - 2021
79.7 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mazda MX-30, model year 2021.
Sample size: 2,139 cars, 4,167 tests and 3,320 recorded faults.
0%
More faults compared to the average car of same model year
More faults compared to the average car of same model year
Quick summary
Total: 2,139 cars
The 2021 Mazda MX-30 has an overall defect rate of 80 per 100 vehicles, slightly higher than the 79 per 100 for similar vehicles of the same year, indicating it performs marginally worse on average. Notably, it excels in areas such as steering, visibility, and body structure, showing significantly lower defect rates compared to the average. However, the model experiences higher issues with wheels, suspensions, and axles, where its defect rate is 104 per 100, exceeding the average of 87 per 100. Additionally, the defect rates tend to increase with mileage, particularly in the 31,000 to 62,000 miles range, which reflects a common trend.
Cars by mileage segment
Total: 2,139 cars
More model years for Mazda MX-30
Other models from Mazda
Categories
Brakes
▼ 6.5% worse
42.6 faults / 100 tests
Year avg: 40.0 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 42.1% better
8.4 faults / 100 tests
Year avg: 14.5 / 100 tests
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 69.6% better
3.4 faults / 100 tests
Year avg: 11.2 / 100 tests
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- The aim of a headlamp is not within limits laid down in the requirements
- The aim of a headlamp is not within limits laid down in the requirements
- A lamp: not securely attached
Wheels & Suspension
▼ 19.4% worse
104.2 faults / 100 tests
Year avg: 87.3 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- A shock absorber damaged … or showing signs of severe leakage
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 90.5% better
0.2 faults / 100 tests
Year avg: 2.1 / 100 tests
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 66.7% better
0.5 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
- A seat belt:
- ESC MIL indicates a system malfunction
- Seat belt not functioning as intended or of an incorrect type
Other
▲ 96.3% better
0.1 faults / 100 tests
Year avg: 2.7 / 100 tests
- Any part of the noise suppression system: insecure
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 998
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 629
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 558
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 248
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 121
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 113
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 90
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 74
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 73
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 54
Serious faults (Top 10)
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 90
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 74
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 30
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 21
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 16
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 14
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 14
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 7
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 6
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 5