MG GS MOT failures and reliability
In 2023 the MG GS took 2,869 MOT tests in Britain and passed 80% of them first time, above the national average of 71% for all cars. The figures below come from the DVSA's record of every test, so they show what testers actually found on these cars rather than what owners report.
- MOT tests in 2023
- 2,869
- First-time pass rate
- 80%
- All cars
- 71%
What the GS fails on
Share of tests with at least one failure in each area, against the figure for all cars.
- Lights and electrics9.3% (all cars 11.3%)
- Tyres6.0% (all cars 6.4%)
- Brakes5.5% (all cars 6.8%)
- Exhaust and emissions1.9% (all cars 3.1%)
- Seat belts and airbags1.9% (all cars 1.0%)
- Visibility1.7% (all cars 4.8%)
- Body and structure0.7% (all cars 3.5%)
- Suspension0.6% (all cars 9.0%)
Most common failure items
Share of tests on which each item was recorded.
- Headlamp aim: too low 5.2%
- Brake pads: less than 1.5 mm thick 2.6%
- Tyre pressure monitoring system: malfunctioning or obviously inoperative 2.1%
- Tread depth: tread depth below requirements of 1.6mm 2.0%
- Anti-lock braking system: warning lamp indicates an ABS fault 1.8%
- SRS malfunction indicator lamp: warning lamp indicates a fault 1.4%
- Electronic stability control: warning lamp indicates a fault 1.3%
- Tyres, condition: has a cut in excess of the requirements deep enough to reach the ply or cords 1.1%
Most common advisories
- Tyres, condition: slightly damaged/cracking or perishing 15.3%
- Brake discs: worn, pitted or scored, but not seriously weakened 15.2%
- Tread depth: worn close to legal limit/worn on edge 13.0%
- Brake pads: wearing thin 7.2%
- Non-component advisories: Nail in tyre 3.3%
- Non-component advisories: Child Seat fitted not allowing full inspection of adult belt 3.1%
- Coil spring: corroded 1.8%
- Service brake performance: binding but not excessively 1.5%
Pass rate by year of registration
Older cars fail more often whatever the model, so compare a car with others of the same age.
| First registered | Tests | Pass rate |
|---|---|---|
| 2016 | 578 | 78% |
| 2017 | 940 | 78% |
| 2018 | 975 | 81% |
| 2019 | 376 | 82% |
Typical mileage by age
Average odometer reading at the MOT, by the car's age in years at the test.
| Age at test | Average mileage |
|---|---|
| 4 years | 29,847 miles |
| 5 years | 36,435 miles |
| 6 years | 43,713 miles |
| 7 years | 49,063 miles |
Check a particular GS
Model figures tell you what to look out for. To see one car's own MOT history, mileage and tax, enter its registration.
Other MG models
Source: Department for Transport, Anonymised MOT tests and results, 2023, cars and light vans, normal tests only. Pass rates are first-time passes; a pass after repair at the test station counts as a fail. Contains public sector information licensed under the Open Government Licence v3.0.