Mg 3 - 2014
238.5 faults per 100 tests
Year average for all cars of 2014 is 198.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mg 3, model year 2014.
Sample size: 1,612 cars, 3,558 tests and 8,486 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: 1,612 cars
The 2014 MG 3 has an overall defect rate of 239 per 100 vehicles, which is 23% higher than the average for cars of the same year, at 194 defects per 100. Notably, this model shows a significant increase in defects related to brakes, visibility, and wheels, with rates exceeding the average by 24%, 22%, and 32% respectively. However, it performs considerably better in the body and structure category, with defects at just 6%, compared to the average of 14%. As mileage increases, defect rates for this model also rise sharply, particularly in the higher mileage segments.
Cars by mileage segment
Total: 1,612 cars
Categories
Brakes
▼ 24.6% worse
115.6 faults / 100 tests
Year avg: 92.8 / 100 tests
- Brake pipe damaged or excessively corroded
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake pipe damaged or excessively corroded
Steering
▲ 15.1% better
10.1 faults / 100 tests
Year avg: 11.9 / 100 tests
- 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
- Power steering fluid leaking or system malfunctioning
- Power steering pipe, hose or wiring: excessively damaged or corroded
Visibility
▼ 21.5% worse
20.9 faults / 100 tests
Year avg: 17.2 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: missing or obviously not clearing 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
- Wiper blade: defective
Lights & Electrics
▼ 2.5% worse
40.5 faults / 100 tests
Year avg: 39.5 / 100 tests
- Headlamp reflector or lens: slightly defective
- 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
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▼ 28.9% worse
256.3 faults / 100 tests
Year avg: 198.8 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- A suspension component: excessively damaged or corroded
- A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 60.9% better
6.1 faults / 100 tests
Year avg: 15.6 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
- 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
Equipment
▼ 144.4% worse
11.0 faults / 100 tests
Year avg: 4.5 / 100 tests
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Audible warning:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▼ 5.1% worse
16.5 faults / 100 tests
Year avg: 15.7 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- 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
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: 1,078
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,070
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 787
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 683
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 509
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 436
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 362
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 317
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 219
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 203
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 203
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 149
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 110
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 85
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 80
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 79
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 61
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 58
A suspension component: excessively damaged or corroded
FAIL
Occurrences: 54
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 46