2017 · 7 years old at test · Petrol mostly

2017 MG GS MOT pass rate and common faults

835 MOT tests in 2024. 72.3% passed first time, compared with 79.8% for all cars the same age.

91Well below average
Passed first time72.3%
Failed or needed repairs27.7%
Typical mileage at test48,000

Most common reasons for failing

Share of all 835 tests where this item caused a failure.

  1. Headlamp aim: too low5.7%
  2. Anti-lock braking system: warning lamp indicates an ABS fault3.8%
  3. Brake pads: less than 1.5 mm thick3.1%
    30 marked dangerous
  4. Electronic stability control: warning lamp indicates a fault3.0%
  5. Tyre pressure monitoring system: malfunctioning or obviously inoperative2.2%
  6. Brake discs: significantly and obviously worn2.0%
  7. Tread depth below requirements of 1.6mm2.0%
    30 marked dangerous
  8. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.8%
  9. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits1.7%

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Brakes15.4%
  2. Lights & electrics13.2%
  3. Tyres8.9%
  4. Emissions & leaks4.4%
  5. Visibility (wipers, screen, mirrors)3.0%
  6. Seat belts & airbags2.0%
  7. Body & chassis1.6%
  8. Suspension1.1%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Brake discs: in such a condition that it is seriously weakened17.8%
  2. Tyres - condition: has a tear, caused by separation or partial failure of its structure15.2%
  3. Tread depth below requirements of 1.6mm13.3%
  4. Brake pads: less than 1.5 mm thick10.1%
  5. Non-component advisories: Child Seat fitted not allowing full inspection of adult belt3.1%

What this means if you are buying one

This model year fails more often than most cars its age, so budget for repairs and check the history carefully. Before buying, check the area that fails most: headlamp aim: too low. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

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Questions

What is the MOT pass rate for a 2017 MG GS?

In 2024, 72.3% of 2017 MG GS cars passed their MOT first time, across 835 tests. The average for all 7-year-old cars was 79.8%.

What are the most common MOT failures on a 2017 MG GS?

The most common failure reasons were headlamp aim: too low; anti-lock braking system: warning lamp indicates an abs fault; brake pads: less than 1.5 mm thick. The biggest problem area was brakes.

Is the 2017 MG GS reliable at MOT time?

Its MOT Rank score is 91, which is well below average for a car of its age (100 means exactly average).