Mazda 3 - 2019
114.4 faults per 100 tests
Year average for all cars of 2019 is 108.6 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mazda 3, model year 2019.
Sample size: 4,630 cars, 9,035 tests and 10,340 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: 4,630 cars
The 2019 Mazda 3 has a slightly higher overall defect rate than the average car of the same year, with 114 defects per 100 vehicles compared to 106. While the model shows commendable performance in categories like steering, lights and electrics, body/structure, and equipment, where it registers significantly fewer defects than average, it struggles with brake issues, exhibiting a notably higher defect rate. Mileage trends indicate that defect rates increase with higher mileage, particularly in the 62,000 to 93,000-mile range, where the Mazda's defect rate is above average. Overall, while it excels in certain areas, particular attention should be given to its braking performance.
Cars by mileage segment
Total: 4,630 cars
Categories
Brakes
▼ 38.8% worse
86.6 faults / 100 tests
Year avg: 62.4 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
- Brake pipe damaged or excessively corroded
Steering
▲ 92.9% better
0.2 faults / 100 tests
Year avg: 2.8 / 100 tests
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
Visibility
▼ 15.2% worse
15.9 faults / 100 tests
Year avg: 13.8 / 100 tests
- Wiper blade: defective
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- 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
▲ 72.5% better
4.1 faults / 100 tests
Year avg: 14.9 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- A battery insecure: and likely to fall from carrier or cause a short circuit
- The aim of a headlamp is not within limits laid down in the requirements
- 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
▼ 5.8% worse
119.4 faults / 100 tests
Year avg: 112.9 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A wheel: badly distorted or wear between wheel and hub at spigot mounting
- 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 tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 77.1% better
0.8 faults / 100 tests
Year avg: 3.5 / 100 tests
- Fire risk due to fuel tank shield or exhaust shield missing where fitted as original equipment
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A door will not open using the relevant control or close properly
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▲ 72.2% better
0.5 faults / 100 tests
Year avg: 1.8 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Audible warning:
- A seat belt:
- Seat belt not functioning as intended or of an incorrect type
Other
▲ 74.5% better
1.3 faults / 100 tests
Year avg: 5.1 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Engine MIL inoperative or indicating a malfunction
- Exhaust noise levels in excess of those permitted
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- 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 tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,283
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 1,849
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,626
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,346
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 332
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 321
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 257
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 201
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 196
Wiper blade: defective
MINOR
Occurrences: 190
Serious faults (Top 10)
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 201
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 180
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 141
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 119
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 79
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 29
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 28
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 24
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 23
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 23