Mg GS - 2018
159.7 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mg GS, model year 2018.
Sample size: 1,005 cars, 2,319 tests and 3,703 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: 1,005 cars
The 2018 MG GS has an overall defect rate of 160 defects per 100 vehicles, which is 33% higher than the average for cars of the same year, which stands at 120 defects per 100. Notably, this model shows significantly higher defect rates in categories such as brakes, lights and electrics, and wheels, suspensions, and axles compared to the average. Conversely, it excels in steering defects, with a lower rate than the average. Mileage-related trends indicate that defect rates increase with mileage, but the MG GS consistently performs above average across most mileage segments. Overall, while it has some strengths, the MG GS faces notable challenges in several key areas compared to its peers.
Cars by mileage segment
Total: 1,005 cars
Categories
Brakes
▼ 31.3% worse
90.3 faults / 100 tests
Year avg: 68.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Warning device shows system malfunction
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
Steering
▲ 70.0% better
1.5 faults / 100 tests
Year avg: 5.0 / 100 tests
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
Visibility
▲ 13.7% better
12.0 faults / 100 tests
Year avg: 13.9 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Obligatory mirror or device: slightly damaged or loose
- 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
▼ 61.9% worse
28.5 faults / 100 tests
Year avg: 17.6 / 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
- Lamp emitted colour, position or intensity not in accordance with the requirements
- The aim of a headlamp is not within limits laid down in the requirements
- 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
Wheels & Suspension
▼ 25.9% worse
159.5 faults / 100 tests
Year avg: 126.7 / 100 tests
- A suspension component: excessively damaged or corroded
- 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 spring: or spring component fractured or seriously weakened
Body/Structure
▼ 84.3% worse
9.4 faults / 100 tests
Year avg: 5.1 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- Body, cab or chassis: excessively corroded at mounting points
- Exhaust system has a major leak or is insecure
- Exhaust system has a major leak or is insecure
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
Equipment
▼ 354.5% worse
10.0 faults / 100 tests
Year avg: 2.2 / 100 tests
- ESC MIL indicates a system malfunction
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
Other
▼ 18.6% worse
8.3 faults / 100 tests
Year avg: 7.0 / 100 tests
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Emissions test unable to be completed
- 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
- An induction or exhaust leak that could affect emissions levels
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 843
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 514
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 488
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 252
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 137
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 101
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 84
Warning device shows system malfunction
FAIL
Occurrences: 66
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 57
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 52
Serious faults (Top 10)
Warning device shows system malfunction
FAIL
Occurrences: 66
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 57
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 52
ESC MIL indicates a system malfunction
FAIL
Occurrences: 45
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 43
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 43
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 41
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 28
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 26
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 25