Mg 3 - 2019
124.6 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 Mg 3, model year 2019.
Sample size: 3,768 cars, 8,188 tests and 10,200 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: 3,768 cars
The 2019 MG 3 has an overall defect rate of 125 defects per 100 vehicles, which is 17% higher than the average for cars of the same year. This model shows a significant increase in defect rates with mileage, particularly after 62,000 miles, where it surpasses the average. Notably, the MG 3 performs better than average in body and structural integrity, showing a 30% lower defect rate in this category. However, it falls short in areas such as steering, lights and electrics, and equipment, with defect rates considerably above the average.
Cars by mileage segment
Total: 3,768 cars
Categories
Brakes
▼ 8.2% worse
67.5 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
- Excessive fluctuation in brake effort through each wheel revolution
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
Steering
▼ 17.9% worse
3.3 faults / 100 tests
Year avg: 2.8 / 100 tests
- A steering ball joint: with excessive wear or free play
- Power steering fluid leaking or system malfunctioning
- Steering rack gaiter or ball joint dust cover: damaged or 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
Visibility
▼ 9.4% worse
15.1 faults / 100 tests
Year avg: 13.8 / 100 tests
- 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
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▼ 53.7% worse
22.9 faults / 100 tests
Year avg: 14.9 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- Stop lamp(s): all missing or inoperative
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- Stop lamp(s): all missing or inoperative
Wheels & Suspension
▼ 15.8% worse
130.7 faults / 100 tests
Year avg: 112.9 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A suspension component: excessively damaged or corroded
- A suspension pin, bush, joint or bearing: excessively worn
- 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
▲ 34.3% better
2.3 faults / 100 tests
Year avg: 3.5 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Exhaust system has a major leak or is insecure
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
- A door will not open using the relevant control or close properly
Equipment
▼ 116.7% worse
3.9 faults / 100 tests
Year avg: 1.8 / 100 tests
- A seat belt:
- Audible warning:
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt: or flexible stalk damaged
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 33.3% better
3.4 faults / 100 tests
Year avg: 5.1 / 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
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- 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
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: 2,097
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,586
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,031
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 746
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 322
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 282
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 250
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 244
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 197
Wiper blade: defective
MINOR
Occurrences: 183
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 282
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 167
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 135
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 122
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 111
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 110
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 103
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 100
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 78
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 61