Mg 3 - 2016
195.5 faults per 100 tests
Year average for all cars of 2016 is 154.9 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mg 3, model year 2016.
Sample size: 3,111 cars, 6,751 tests and 13,195 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: 3,111 cars
The 2016 MG 3 has an overall defect rate of 195 per 100 vehicles, which is significantly higher than the average of 151 defects per 100 for cars of the same year, indicating a 30% increase in issues. Notably, the MG 3's defect rate rises sharply with mileage, particularly in the 124,000+ mile category, where it reaches 382 defects per 100. While it performs better than average in the areas of lights and electrics, and body structure, it shows poorer performance in brakes, visibility, and wheels, suspensions, and axles, with defect rates markedly above the average. This model's specific challenges may warrant closer attention from owners and potential buyers.
Cars by mileage segment
Total: 3,111 cars
Categories
Brakes
▼ 24.2% worse
97.1 faults / 100 tests
Year avg: 78.2 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Parking brake efficiency: below minimum requirement
- Brake pipe damaged or excessively corroded
- Brake disc or drum: significantly and obviously worn
Steering
▲ 18.5% better
6.6 faults / 100 tests
Year avg: 8.1 / 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: missing or no longer prevents the ingress of dirt etc.
- 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
▼ 26.0% worse
18.9 faults / 100 tests
Year avg: 15.0 / 100 tests
- 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
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 29.9% better
17.8 faults / 100 tests
Year avg: 25.4 / 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 headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- The aim of a headlamp is not within limits laid down in the requirements
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▼ 46.0% worse
232.8 faults / 100 tests
Year avg: 159.4 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A spring: or spring component fractured or seriously weakened
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension component: excessively damaged or corroded
Body/Structure
▲ 39.6% better
5.5 faults / 100 tests
Year avg: 9.1 / 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
- Fuel system: leaking, or missing or ineffective filler cap
- Fuel system: leaking excessively or a risk of fire
Equipment
▼ 6.1% worse
3.5 faults / 100 tests
Year avg: 3.3 / 100 tests
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Seat belt not functioning as intended or of an incorrect type
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
Other
▲ 23.0% better
8.7 faults / 100 tests
Year avg: 11.3 / 100 tests
- 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
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Engine MIL inoperative or indicating a malfunction
- 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: 1,994
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,857
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,175
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 1,076
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 896
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 714
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 571
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 342
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 266
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 195
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 266
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 147
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 143
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 132
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 130
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 110
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 110
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 110
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 88
A suspension component: excessively damaged or corroded
FAIL
Occurrences: 84