2018 · 6 years old at test · Petrol mostly

2018 MG ZS MOT pass rate and common faults

4,671 MOT tests in 2024. 75.8% passed first time, compared with 82.5% for all cars the same age.

92Well below average
Passed first time75.8%
Failed or needed repairs24.2%
Typical mileage at test39,000

Most common reasons for failing

Share of all 4,671 tests where this item caused a failure.

  1. Headlamp: not working on dipped beam4.2%
  2. Brake pads: less than 1.5 mm thick2.3%
    133 marked dangerous
  3. Tread depth below requirements of 1.6mm2.1%
    153 marked dangerous
  4. Brake discs: significantly and obviously worn1.9%
  5. Headlamp: not working on main beam1.7%
  6. Coil spring: fractured or broken1.4%
  7. Anti-lock braking system: warning lamp indicates an ABS fault1.4%
  8. Service brake performance: excessively binding1.3%
  9. Wipers: does not clear the windscreen effectively1.3%

Problem areas

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

  1. Brakes13.7%
  2. Lights & electrics10.9%
  3. Tyres7.2%
  4. Suspension3.3%
  5. Visibility (wipers, screen, mirrors)2.8%
  6. Emissions & leaks2.4%
  7. Steering0.6%
  8. Body & chassis0.4%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Brake discs: in such a condition that it is seriously weakened21.8%
  2. Tread depth below requirements of 1.6mm19.3%
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure8.3%
  4. Brake pads: less than 1.5 mm thick8.1%
  5. Service brake performance: excessively binding3.8%

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: not working on dipped beam. 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 2018 MG ZS?

In 2024, 75.8% of 2018 MG ZS cars passed their MOT first time, across 4,671 tests. The average for all 6-year-old cars was 82.5%.

What are the most common MOT failures on a 2018 MG ZS?

The most common failure reasons were headlamp: not working on dipped beam; brake pads: less than 1.5 mm thick; tread depth below requirements of 1.6mm. The biggest problem area was brakes.

Is the 2018 MG ZS reliable at MOT time?

Its MOT Rank score is 92, which is well below average for a car of its age (100 means exactly average).