Mg GS - 2017
175.8 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Mg GS, model year 2017.
Sample size: 984 cars, 2,298 tests and 4,041 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: 984 cars
The MG GS, a 2017 model, has an overall defect rate of 176 per 100 vehicles, which is 31% higher than the average for its year, at 134 per 100. Notably, this model shows a significant increase in defects as mileage increases, particularly in the highest range of over 124,000 miles, where it reaches 363 defects per 100 vehicles. While it performs better than average in steering issues, with a rate of 2.35 compared to 5.15, it has higher rates of defects in brakes (104 vs 71), lights and electrics (39 vs 19), and body/structure (8.18 vs 6.39). Additionally, it stands out negatively in equipment and other categories, indicating a range of specific reliability concerns compared to its peers.
Cars by mileage segment
Total: 984 cars
Categories
Brakes
▼ 44.0% worse
104.4 faults / 100 tests
Year avg: 72.5 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Warning device shows system malfunction
Steering
▲ 58.9% better
2.3 faults / 100 tests
Year avg: 5.6 / 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: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
- Excessive radial movement between the top of the steering column and the shaft indicating an excessively worn top bearing
Visibility
▼ 6.9% worse
15.5 faults / 100 tests
Year avg: 14.5 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
- Obligatory mirror or device: slightly damaged or loose
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▼ 92.2% worse
39.2 faults / 100 tests
Year avg: 20.4 / 100 tests
- 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
- 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
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
Wheels & Suspension
▼ 11.2% worse
159.1 faults / 100 tests
Year avg: 143.1 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A suspension component: excessively damaged or corroded
- 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
▼ 17.1% worse
8.2 faults / 100 tests
Year avg: 7.0 / 100 tests
- Exhaust system has a major leak or is insecure
- 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
Equipment
▼ 259.3% worse
9.7 faults / 100 tests
Year avg: 2.7 / 100 tests
- ESC MIL indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- Seat belt buckle missing, damaged or not functioning as intended
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
Other
▼ 46.7% worse
13.2 faults / 100 tests
Year avg: 9.0 / 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
- Lambda coefficient outside the default limits or the range specified by the manufacturer
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: 594
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 584
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 544
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 266
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 214
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 170
Lamp emitted colour, position or intensity not in accordance with the requirements
ADVISORY
Occurrences: 83
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 81
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 81
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 69
Serious faults (Top 10)
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 81
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 66
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 65
Warning device shows system malfunction
FAIL
Occurrences: 57
ESC MIL indicates a system malfunction
FAIL
Occurrences: 46
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 40
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 40
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 34
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 32
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 29