2018 · 6 years old at test · Diesel mostly

2018 Vauxhall Insignia MOT pass rate and common faults

12,256 MOT tests in 2024. 81.5% passed first time, compared with 82.5% for all cars the same age.

99About average
Passed first time81.5%
Failed or needed repairs18.5%
Typical mileage at test60,000

Most common reasons for failing

Share of all 12,256 tests where this item caused a failure.

  1. Brake pads: less than 1.5 mm thick3.8%
    635 marked dangerous
  2. Wipers: does not clear the windscreen effectively2.2%
  3. Tread depth below requirements of 1.6mm2.2%
    404 marked dangerous
  4. Malfunction indicator lamp: inoperative or indicates a malfunction2.2%
  5. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.4%
  6. Tyre pressure monitoring system: malfunctioning or obviously inoperative0.9%
  7. Tyres - condition: has ply or cords exposed0.8%
    117 marked dangerous
  8. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.7%
    117 marked dangerous
  9. System: component leaking0.7%

Problem areas

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

  1. Tyres7.1%
  2. Brakes5.8%
  3. Lights & electrics4.5%
  4. Emissions & leaks3.8%
  5. Visibility (wipers, screen, mirrors)3.4%
  6. Body & chassis1.2%
  7. Suspension0.5%
  8. Wheels0.5%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm15.3%
  2. Brake pads: less than 1.5 mm thick14.5%
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure8.6%
  4. Brake discs: in such a condition that it is seriously weakened7.4%
  5. Brake discs: significantly and obviously worn3.1%

What this means if you are buying one

This model year is about as good as an average car its age. 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 Vauxhall Insignia?

In 2024, 81.5% of 2018 Vauxhall Insignia cars passed their MOT first time, across 12,256 tests. The average for all 6-year-old cars was 82.5%.

What are the most common MOT failures on a 2018 Vauxhall Insignia?

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 tyres.

Is the 2018 Vauxhall Insignia reliable at MOT time?

Its MOT Rank score is 99, which is about average for a car of its age (100 means exactly average).