2018 · 6 years old at test · Mixed fuel mostly

2018 Toyota Prius MOT pass rate and common faults

15,284 MOT tests in 2024. 87.1% passed first time, compared with 82.5% for all cars the same age.

106Above average
Passed first time87.1%
Failed or needed repairs12.9%
Typical mileage at test83,000

Most common reasons for failing

Share of all 15,284 tests where this item caused a failure.

  1. Wipers: does not clear the windscreen effectively2.4%
  2. Tread depth below requirements of 1.6mm1.9%
    439 marked dangerous
  3. Registration plate lamp(s): inoperative in the case of a single lamp or all lamps0.7%
  4. Brake pads: less than 1.5 mm thick0.7%
    148 marked dangerous
  5. Rear fog lamp: not working0.6%
  6. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords0.5%
  7. Linkage ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt0.5%
  8. Tyres - condition: has ply or cords exposed0.5%
    99 marked dangerous

Problem areas

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

  1. Lights & electrics5.6%
  2. Tyres4.4%
  3. Visibility (wipers, screen, mirrors)3.5%
  4. Suspension2.0%
  5. Brakes1.9%
  6. Wheels0.2%
  7. Emissions & leaks0.2%
  8. Body & chassis0.2%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm9.3%
  2. Brake pads: less than 1.5 mm thick3.7%
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure2.8%
  4. Brake discs: in such a condition that it is seriously weakened2.8%
  5. Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm1.8%

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 2018 Toyota Prius?

In 2024, 87.1% of 2018 Toyota Prius cars passed their MOT first time, across 15,284 tests. The average for all 6-year-old cars was 82.5%.

What are the most common MOT failures on a 2018 Toyota Prius?

The most common failure reasons were wipers: does not clear the windscreen effectively; tread depth below requirements of 1.6mm; registration plate lamp(s): inoperative in the case of a single lamp or all lamps. The biggest problem area was lights & electrics.

Is the 2018 Toyota Prius reliable at MOT time?

Its MOT Rank score is 106, which is above average for a car of its age (100 means exactly average).