2018 · 6 years old at test · Petrol mostly

2018 Kia Stonic MOT pass rate and common faults

6,674 MOT tests in 2024. 85.6% passed first time, compared with 82.5% for all cars the same age.

104Above average
Passed first time85.6%
Failed or needed repairs14.4%
Typical mileage at test40,000

Most common reasons for failing

Share of all 6,674 tests where this item caused a failure.

  1. Brake pads: less than 1.5 mm thick3.1%
    267 marked dangerous
  2. Wipers: does not clear the windscreen effectively2.6%
  3. Tread depth below requirements of 1.6mm2.0%
    185 marked dangerous
  4. Headlamp: not working on dipped beam1.2%
  5. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.0%
  6. Malfunction indicator lamp: inoperative or indicates a malfunction0.6%
  7. Headlamp: not working on main beam0.4%
  8. Washers: not working0.4%

Problem areas

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

  1. Brakes5.4%
  2. Tyres4.2%
  3. Visibility (wipers, screen, mirrors)4.0%
  4. Lights & electrics3.8%
  5. Suspension1.0%
  6. Emissions & leaks0.9%
  7. Steering0.3%
  8. Body & chassis0.2%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm16.2%
  2. Brake pads: less than 1.5 mm thick13.7%
  3. Brake discs: in such a condition that it is seriously weakened8.7%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure6.3%
  5. Brake discs: significantly and obviously worn3.5%

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: brake pads: less than 1.5 mm thick. 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 Kia Stonic?

In 2024, 85.6% of 2018 Kia Stonic cars passed their MOT first time, across 6,674 tests. The average for all 6-year-old cars was 82.5%.

What are the most common MOT failures on a 2018 Kia Stonic?

The most common failure reasons were brake pads: less than 1.5 mm thick; wipers: does not clear the windscreen effectively; tread depth below requirements of 1.6mm. The biggest problem area was brakes.

Is the 2018 Kia Stonic reliable at MOT time?

Its MOT Rank score is 104, which is above average for a car of its age (100 means exactly average).