Mazda CX-3 - 2018
111.6 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mazda CX-3, model year 2018.
Sample size: 5,803 cars, 11,788 tests and 13,161 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: 5,803 cars
The 2018 Mazda CX-3 has an overall defect rate of 112 per 100 vehicles, which is 7% lower than the average car of the same year at 120 per 100. Particularly noteworthy is the model's impressive performance in steering, lights and electrics, body structure, equipment, and other categories, all showing significantly lower defect rates compared to the average. However, it does have a higher incidence of brake defects at 84 per 100, surpassing the average of 67. Mileage trends indicate that defect rates increase with higher mileage, but the CX-3 remains competitive against its peers across the lower mileage segments.
Cars by mileage segment
Total: 5,803 cars
More model years for Mazda CX-3
Other models from Mazda
Categories
Brakes
▼ 22.1% worse
84.0 faults / 100 tests
Year avg: 68.8 / 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
▲ 92.0% better
0.4 faults / 100 tests
Year avg: 5.0 / 100 tests
- Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
- 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
- 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
▲ 0.0% better
13.9 faults / 100 tests
Year avg: 13.9 / 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
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 56.3% better
7.7 faults / 100 tests
Year avg: 17.6 / 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
- A lens defective: which has no effect on emitted light
- 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
- Reflector: not securely attached
Wheels & Suspension
▲ 9.6% better
114.6 faults / 100 tests
Year avg: 126.7 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- A suspension joint dust cover: severely deteriorated
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 88.2% better
0.6 faults / 100 tests
Year avg: 5.1 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- Fuel system: leaking, or missing or ineffective filler cap
- Exhaust system has a major leak or is insecure
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
Equipment
▲ 59.1% better
0.9 faults / 100 tests
Year avg: 2.2 / 100 tests
- Seat belt buckle missing, damaged or not functioning as intended
- Seat belt buckle missing, damaged or not functioning as intended
- ESC MIL indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
Other
▲ 80.0% better
1.4 faults / 100 tests
Year avg: 7.0 / 100 tests
- 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
- Any part of the noise suppression system: insecure
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Engine MIL inoperative or indicating a malfunction
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: 2,641
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,587
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: 1,526
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 581
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 435
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 241
Wiper blade: defective
MINOR
Occurrences: 233
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 211
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 197
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 211
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 190
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 189
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 179
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 152
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 46
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 41
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 34
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 26
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 25