Mazda 6 - 2017
146.5 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mazda 6, model year 2017.
Sample size: 4,861 cars, 10,374 tests and 15,197 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: 4,861 cars
The 2017 Mazda 6 has an overall defect rate of 146 per 100 vehicles, which is 9.5% higher than the average for cars of the same year, which stands at 134 per 100. Notably, this model exhibits higher defect rates as mileage increases, particularly in the 124,000+ miles category, where it reaches 306 per 100. In terms of performance, the Mazda 6 stands out positively in categories such as Steering, Lights & Electrics, and Body/Structure, all showing significantly lower defect rates compared to the average. However, it fares worse in the Brakes category, with a defect rate of 103 per 100, considerably higher than the average of 71 per 100.
Cars by mileage segment
Total: 4,861 cars
Categories
Brakes
▼ 42.8% worse
103.5 faults / 100 tests
Year avg: 72.5 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake pipe damaged or excessively corroded
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
Steering
▲ 69.6% better
1.7 faults / 100 tests
Year avg: 5.6 / 100 tests
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
Visibility
▲ 4.1% better
13.9 faults / 100 tests
Year avg: 14.5 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 47.5% better
10.7 faults / 100 tests
Year avg: 20.4 / 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
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Lamp: missing, inoperative or in the case of a multiple light source more than a half 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
Wheels & Suspension
▼ 8.8% worse
155.7 faults / 100 tests
Year avg: 143.1 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension component: excessively damaged or corroded
- Tyre tread depth not in accordance with the requirements
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 81.4% better
1.3 faults / 100 tests
Year avg: 7.0 / 100 tests
- Exhaust system has a major leak or is insecure
- A main load-bearing structural member: fractured or deformed such that structural rigidity 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
- A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 70.4% better
0.8 faults / 100 tests
Year avg: 2.7 / 100 tests
- ESC MIL indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt: or flexible stalk damaged
- A seat belt:
- Seat belt not functioning as intended or of an incorrect type
Other
▲ 40.0% better
5.4 faults / 100 tests
Year avg: 9.0 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- 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
- Smoke opacity levels exceed the manufacturer’s specified limit
- Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour
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: 2,802
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,766
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,539
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,318
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,265
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 897
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 642
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 277
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 277
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 269
Serious faults (Top 10)
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 269
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 263
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 208
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 188
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 175
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 118
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 111
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 102
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 79
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 58