Mg 5 - 2021
82.4 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mg 5, model year 2021.
Sample size: 4,724 cars, 10,207 tests and 8,410 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: 4,724 cars
The MG 5 from 2021 has an overall defect rate of 82 per 100 vehicles, which is slightly higher than the yearly average of 79 per 100, indicating a 5% increase. Notably, the vehicle shows a significant increase in defects related to lights and electrics, with 21% of vehicles failing in this category, compared to the average of 11%. Conversely, it excels in areas like brakes and steering, where defect rates are substantially lower than the average, at only 19% and 0.2%, respectively. Mileage trends indicate that as the distance increases, the defect rate also rises, but the MG 5 behaves similarly to the average vehicle in this regard, especially in higher mileage brackets.
Cars by mileage segment
Total: 4,724 cars
Categories
Brakes
▲ 53.5% better
18.6 faults / 100 tests
Year avg: 40.0 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Significant brake effort recorded with no brake applied indicating a binding brake
- Excessive fluctuation in brake effort through each wheel revolution
- Brake lining or pad: worn below 1.5mm
Steering
▲ 71.4% better
0.2 faults / 100 tests
Year avg: 0.7 / 100 tests
- A steering ball joint: with excessive wear or free play
- Power steering component: fractured or insecure and steering adversely affected
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- EPS MIL indicating a system malfunction
Visibility
▲ 50.3% better
7.2 faults / 100 tests
Year avg: 14.5 / 100 tests
- Windscreen washers not working or not providing sufficient fluid to clear 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
▼ 89.3% worse
21.2 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- 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
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
Wheels & Suspension
▼ 32.5% worse
115.7 faults / 100 tests
Year avg: 87.3 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- Tyre tread depth not in accordance with the requirements
- A shock absorber damaged … or showing signs of severe leakage
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 61.9% better
0.8 faults / 100 tests
Year avg: 2.1 / 100 tests
- A door will not open using the relevant control or close properly
- A driver’s seat: insecure
- 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
- A passenger seat: with a defective structure or the backrest cannot be retained in the upright position
Equipment
▲ 33.3% better
1.0 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt:
- A seat belt: or flexible stalk damaged
- A seat belt: or flexible stalk damaged
- Seat belt buckle missing, damaged or not functioning as intended
- Audible warning:
Other
▲ 96.3% better
0.1 faults / 100 tests
Year avg: 2.7 / 100 tests
- Any part of the noise suppression system: insecure
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: 3,592
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 702
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 672
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 413
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 305
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 248
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 192
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 187
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 173
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 155
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 248
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 192
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 173
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 150
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 120
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
FAIL
Occurrences: 45
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 38
Headlamp aim unable to be tested
FAIL
Occurrences: 31
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 30
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 25