Mg ZS - 2023
54.6 faults per 100 tests
Year average for all cars of 2023 is 36.8 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mg ZS, model year 2023.
Sample size: 653 cars, 1,609 tests and 879 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: 653 cars
The 2023 MG ZS has a higher overall defect rate with 55 defects per 100 vehicles, compared to the average of 36 defects per 100 vehicles from the same year, making it 53% more prone to issues. Notably, it shows significant mileage-related trends, with defects increasing from 174 per 100 vehicles for those under 31,000 miles to 222 per 100 for those between 62,000 and 93,000 miles. The vehicle excels in categories such as brakes and visibility, with considerably fewer defects than average, while it struggles notably with lights and electrics, as well as wheels and suspensions, where defect rates are markedly higher than the average.
Cars by mileage segment
Total: 653 cars
Categories
Brakes
▲ 67.0% better
2.9 faults / 100 tests
Year avg: 8.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Brake fluid: not visible
- Brake disc or drum: significantly and obviously worn
- Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 33.3% better
0.2 faults / 100 tests
Year avg: 0.3 / 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
Visibility
▲ 31.0% better
4.0 faults / 100 tests
Year avg: 5.8 / 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
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- An obstruction: materially affecting the driver’s view of the road through the swept area of the windscreen or an obligatory external mirror not visible
Lights & Electrics
▼ 128.7% worse
19.9 faults / 100 tests
Year avg: 8.7 / 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 rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
- Rear registration plate lamp does not illuminate simultaneously with the position lamps
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▼ 72.9% worse
79.9 faults / 100 tests
Year avg: 46.2 / 100 tests
- Tyre tread depth not in accordance with the requirements
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- 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
▲ 50.0% better
0.5 faults / 100 tests
Year avg: 1.0 / 100 tests
- 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 main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
Equipment
▼ 23.1% worse
1.6 faults / 100 tests
Year avg: 1.3 / 100 tests
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Audible warning:
- A seat belt:
- Seat belt not functioning as intended or of an incorrect type
- Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 81.8% better
0.2 faults / 100 tests
Year avg: 1.1 / 100 tests
- 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: 328
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 86
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 57
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 45
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 39
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 37
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
PRS
Occurrences: 37
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: 33
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 22
Tyre tread depth not in accordance with the requirements
PRS
Occurrences: 21
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 57
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: 33
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 17
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 15
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 8
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 4
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 4
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 4
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 3
Beam image obviously incorrect
FAIL
Occurrences: 3