Mazda MX-5 - 2012
151.5 faults per 100 tests
Year average for all cars of 2012 is 249.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mazda MX-5, model year 2012.
Sample size: 3,364 cars, 7,531 tests and 11,407 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 3,364 cars
The 2012 Mazda MX-5 has an overall defect rate of 151 per 100 vehicles, which is significantly lower than the yearly average of 246 per 100, representing a 39% improvement. Notably, the model excels in categories such as brakes, steering, and body structure, with defect rates much lower than the average for these areas. In terms of mileage-related trends, defect rates increase with mileage, peaking at 400 per 100 for vehicles over 124,000 miles, which aligns with general expectations. Overall, the MX-5 demonstrates a strong performance, especially in critical safety categories, making it a reliable choice compared to its peers.
Cars by mileage segment
Total: 3,364 cars
Categories
Brakes
▲ 25.3% better
77.5 faults / 100 tests
Year avg: 103.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Significant brake effort recorded with no brake applied indicating a binding brake
- Brake hose ferrules: excessively corroded
- Brake lining or pad: worn below 1.5mm
- Significant brake effort recorded with no brake applied indicating a binding brake
Steering
▲ 94.7% better
0.7 faults / 100 tests
Year avg: 13.2 / 100 tests
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Power steering pipe, hose or wiring: excessively damaged or corroded
- A steering linkage component: fractured or deformed
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▲ 30.2% better
13.4 faults / 100 tests
Year avg: 19.2 / 100 tests
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 65.1% better
21.6 faults / 100 tests
Year avg: 61.9 / 100 tests
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Headlamp reflector or lens: slightly defective
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 27.0% better
178.4 faults / 100 tests
Year avg: 244.4 / 100 tests
- A suspension component: excessively damaged or corroded
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▲ 80.9% better
5.0 faults / 100 tests
Year avg: 26.2 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Exhaust system has a major leak or is insecure
- Body, cab or chassis: excessively corroded at mounting points
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Exhaust system has a major leak or is insecure
Equipment
▲ 82.3% better
1.1 faults / 100 tests
Year avg: 6.2 / 100 tests
- ESC MIL indicates a system malfunction
- is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt: or flexible stalk damaged
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 78.4% better
5.1 faults / 100 tests
Year avg: 23.6 / 100 tests
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Emissions levels exceed default limits
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Engine MIL inoperative or indicating a malfunction
- Emissions levels exceed the manufacturer’s specified limits
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,320
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 1,094
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 948
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 820
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 813
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 654
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 586
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 500
Significant brake effort recorded with no brake applied indicating a binding brake
ADVISORY
Occurrences: 489
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 251
Serious faults (Top 10)
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 251
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 183
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 141
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 108
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 94
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 92
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 92
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 89
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 66
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 63