Mazda 6 - 2005
416.4 faults per 100 tests
Year average for all cars of 2005 is 377.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mazda 6, model year 2005.
Sample size: 782 cars, 1,668 tests and 6,945 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: 782 cars
The 2005 Mazda 6 has an overall defect rate of 416 per 100 vehicles, which is 10.9% higher than the average for cars of the same year. Notable strengths of this model include significantly better performance in steering and other categories, with defect rates 45% and 66% lower than average, respectively. However, it struggles with wheels, suspensions, and axles, showing about 31% more defects than the average, along with notable issues in body structure and equipment. Mileage-related trends indicate that as mileage increases, defects also rise, particularly in the higher mileage brackets. Overall, while the Mazda 6 excels in some areas, it faces challenges in specific categories that could impact reliability.
Cars by mileage segment
Total: 782 cars
Categories
Brakes
▲ 9.1% better
144.1 faults / 100 tests
Year avg: 158.5 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake pipe damaged or excessively corroded
- Parking brake efficiency: below minimum requirement
- Brake lining or pad: worn below 1.5mm
- Significant brake effort recorded with no brake applied indicating a binding brake
Steering
▲ 44.6% better
12.4 faults / 100 tests
Year avg: 22.4 / 100 tests
- A steering ball joint: with excessive wear or free play
- Power steering fluid leaking or system malfunctioning
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
Visibility
▲ 0.4% better
28.3 faults / 100 tests
Year avg: 28.4 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▼ 3.0% worse
113.4 faults / 100 tests
Year avg: 110.1 / 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
- Headlamp reflector or lens: slightly defective
- 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
- Beam image obviously incorrect
Wheels & Suspension
▼ 29.4% worse
406.6 faults / 100 tests
Year avg: 314.1 / 100 tests
- A suspension component: excessively damaged or corroded
- The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
- The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▼ 51.1% worse
92.9 faults / 100 tests
Year avg: 61.5 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Body, cab or chassis: excessively corroded at mounting points
- Exhaust system has a major leak or is insecure
- Body, cab or chassis: excessively corroded at mounting points
Equipment
▼ 46.5% worse
18.9 faults / 100 tests
Year avg: 12.9 / 100 tests
- 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
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- An SRS malfunction indicator lamp (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
- ESC MIL indicates a system malfunction
Other
▲ 65.5% better
16.1 faults / 100 tests
Year avg: 46.7 / 100 tests
- Emissions levels exceed default limits
- Engine MIL inoperative or indicating a malfunction
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- 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 suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 839
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 491
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 388
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 317
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 314
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 286
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
ADVISORY
Occurrences: 272
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 215
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 181
Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
ADVISORY
Occurrences: 158
Serious faults (Top 10)
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 314
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 116
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
FAIL
Occurrences: 106
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 86
Body, cab or chassis: excessively corroded at mounting points
FAIL
Occurrences: 82
Beam image obviously incorrect
FAIL
Occurrences: 81
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 69
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 64
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
FAIL
Occurrences: 60
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 55