2020 · 4 years old at test · Petrol mostly

2020 Mazda CX-30 MOT pass rate and common faults

6,015 MOT tests in 2024. 90.9% passed first time, compared with 86.9% for all cars the same age.

105Above average
Passed first time90.9%
Failed or needed repairs9.1%
Typical mileage at test25,000

Most common reasons for failing

Share of all 6,015 tests where this item caused a failure.

  1. Wipers: does not clear the windscreen effectively1.9%
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.4%
  3. Tread depth below requirements of 1.6mm0.9%
    75 marked dangerous
  4. Brake pads: less than 1.5 mm thick0.8%
    57 marked dangerous
  5. Washers: provides insufficient washer liquid0.6%
  6. Malfunction indicator lamp: inoperative or indicates a malfunction0.5%
  7. Headlamp aim: too high0.4%
  8. Shock absorbers: has a serious fluid leak0.3%
  9. Headlamp aim: too low0.3%

Problem areas

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

  1. Tyres3.5%
  2. Visibility (wipers, screen, mirrors)3.0%
  3. Brakes1.8%
  4. Lights & electrics1.1%
  5. Emissions & leaks0.7%
  6. Suspension0.6%
  7. Wheels0.0%
  8. Steering0.0%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm12.2%
  2. Brake discs: in such a condition that it is seriously weakened11.4%
  3. Brake pads: less than 1.5 mm thick9.3%
  4. Shock absorbers: has a serious fluid leak5.9%
  5. Tyres - condition: has a tear, caused by separation or partial failure of its structure3.3%

What this means if you are buying one

This model year does better than most cars its age, so it is a reasonable used buy on MOT record alone. Before buying, check the area that fails most: wipers: does not clear the windscreen effectively. 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 2020 Mazda CX-30?

In 2024, 90.9% of 2020 Mazda CX-30 cars passed their MOT first time, across 6,015 tests. The average for all 4-year-old cars was 86.9%.

What are the most common MOT failures on a 2020 Mazda CX-30?

The most common failure reasons were wipers: does not clear the windscreen effectively; tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords; tread depth below requirements of 1.6mm. The biggest problem area was tyres.

Is the 2020 Mazda CX-30 reliable at MOT time?

Its MOT Rank score is 105, which is above average for a car of its age (100 means exactly average).