Mazda 6 - 2004
390.9 faults per 100 tests
Year average for all cars of 2004 is 384.6 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mazda 6, model year 2004.
Sample size: 364 cars, 745 tests and 2,912 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: 364 cars
The 2004 Mazda 6 has an overall defect rate of 391 per 100 vehicles, which is slightly higher than the yearly average of 382 per 100 vehicles, indicating a 2% increase. This model shows a notable trend where vehicles with higher mileage tend to have more defects, particularly in the 124,000+ miles category, which is above average. It excels in steering and other categories, with defect rates significantly lower than average, but struggles with issues related to wheels, suspensions, axles, and body structure, where it surpasses the average defect rates. Overall, while the Mazda 6 performs better in some areas, it faces challenges in specific categories as mileage increases.
Cars by mileage segment
Total: 364 cars
Categories
Brakes
▲ 10.9% better
146.3 faults / 100 tests
Year avg: 164.2 / 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
▲ 71.9% better
7.0 faults / 100 tests
Year avg: 24.9 / 100 tests
- Excessive radial movement between the top of the steering column and the shaft indicating an excessively worn top bearing
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- Power steering fluid leaking or system malfunctioning
Visibility
▲ 11.3% better
26.0 faults / 100 tests
Year avg: 29.3 / 100 tests
- 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
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 12.1% better
96.6 faults / 100 tests
Year avg: 109.9 / 100 tests
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- Headlamp reflector or lens: slightly defective
- Beam image obviously incorrect
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
Wheels & Suspension
▼ 25.4% worse
392.5 faults / 100 tests
Year avg: 312.9 / 100 tests
- A suspension component: excessively damaged or corroded
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
- The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
Body/Structure
▼ 27.8% worse
81.3 faults / 100 tests
Year avg: 63.6 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Body, cab or chassis: excessively corroded at mounting points
- 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
Equipment
▼ 50.0% worse
20.7 faults / 100 tests
Year avg: 13.8 / 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
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- 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
- Seat belt retractor not functioning as intended
Other
▲ 77.6% better
11.3 faults / 100 tests
Year avg: 50.5 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions levels exceed default limits
- Emissions levels exceed the manufacturer’s specified limits
- Engine MIL inoperative or indicating a malfunction
- Emissions test unable to be completed
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: 377
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 181
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 165
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
ADVISORY
Occurrences: 145
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 140
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 127
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 127
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 116
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 109
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 84
Serious faults (Top 10)
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 109
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 43
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 43
Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
FAIL
Occurrences: 39
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 32
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 28
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: 27
Body, cab or chassis: excessively corroded at mounting points
FAIL
Occurrences: 26
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 25
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 24