Mazda BONGO - 2020
237.9 faults per 100 tests
Year average for all cars of 2020 is 91.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mazda BONGO, model year 2020.
Sample size: 133 cars, 103 tests and 245 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: 133 cars
The 2020 Mazda Bongo has a significantly higher overall defect rate of 238 defects per 100 vehicles, compared to the average of 90 defects per 100 for cars of the same year, marking an increase of nearly 165%. This model exhibits particularly high defect rates in the categories of brakes and steering, with rates of 97% and 21% respectively, both of which are markedly worse than the averages for these categories. In contrast, the Bongo demonstrates better-than-average performance in visibility defects. Mileage-related trends indicate that defect rates rise notably with increased mileage, especially in the 93,000–124,000 miles range. Overall, the Bongo shows concerning reliability compared to its peers, particularly in critical safety-related areas.
Cars by mileage segment
Total: 133 cars
Categories
Brakes
▼ 91.1% worse
97.1 faults / 100 tests
Year avg: 50.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Significant brake effort recorded with no brake applied indicating a binding brake
- Brake lining or pad: worn below 1.5mm
- Excessive fluctuation in brake effort through each wheel revolution
Steering
▼ 1,326.7% worse
21.4 faults / 100 tests
Year avg: 1.5 / 100 tests
- 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.
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Power steering fluid leaking or system malfunctioning
- Steering box: leaking oil
Visibility
▲ 31.2% better
9.7 faults / 100 tests
Year avg: 14.1 / 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: missing or obviously not clearing the windscreen
Lights & Electrics
▼ 836.6% worse
104.9 faults / 100 tests
Year avg: 11.2 / 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
- Beam image obviously incorrect
- 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
- An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
Wheels & Suspension
▼ 113.1% worse
207.8 faults / 100 tests
Year avg: 97.5 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
- A suspension joint dust cover: severely deteriorated
Body/Structure
▼ 62.5% worse
3.9 faults / 100 tests
Year avg: 2.4 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- A passenger seat: insecure
Equipment
▼ 26.7% worse
1.9 faults / 100 tests
Year avg: 1.5 / 100 tests
- Seat belt not functioning as intended or of an incorrect type
Other
▼ 686.5% worse
29.1 faults / 100 tests
Year avg: 3.7 / 100 tests
- Emissions levels exceed default limits
- An induction or exhaust leak that could affect emissions levels
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions levels exceed the manufacturer’s specified limits
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
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: 27
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 25
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 22
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 18
Headlamp reflector or lens: slightly defective
MINOR
Occurrences: 15
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 12
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 11
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 8
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 8
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 6
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 8
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 6
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 5
Beam image obviously incorrect
FAIL
Occurrences: 4
An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 4
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 3
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 2
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 2
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 2
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 2