2008 · 16 years old at test · Petrol mostly

2008 Daihatsu Sirion MOT pass rate and common faults

1,811 MOT tests in 2024. 61.9% passed first time, compared with 56.9% for all cars the same age.

109Well above average
Passed first time61.9%
Failed or needed repairs38.1%
Typical mileage at test68,000

Most common reasons for failing

Share of all 1,811 tests where this item caused a failure.

  1. Suspension arms - ball joint: ball joint excessively worn7.7%
  2. Rigid brake pipes: excessively corroded3.0%
  3. Linkage ball joints: ball joint excessively worn2.8%
  4. Wipers: does not clear the windscreen effectively2.7%
  5. Position lamp: not working2.6%
  6. Tread depth below requirements of 1.6mm2.4%
    71 marked dangerous
  7. Stop lamp: not working2.4%
  8. Component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength2.3%
  9. Rbt (sp): efficiency below requirements2.0%
  10. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt1.8%

Problem areas

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

  1. Suspension22.3%
  2. Lights & electrics18.0%
  3. Brakes13.9%
  4. Body & chassis7.2%
  5. Visibility (wipers, screen, mirrors)6.4%
  6. Emissions & leaks5.8%
  7. Tyres5.6%
  8. Steering5.6%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Rigid brake pipes: excessively corroded15.8%
  2. Tread depth below requirements of 1.6mm14.2%
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure12.1%
  4. Brake discs: in such a condition that it is seriously weakened8.6%
  5. Non-component advisories: Play in steering rack inner joint(s)8.3%

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: suspension arms - ball joint: ball joint excessively worn. 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 2008 Daihatsu Sirion?

In 2024, 61.9% of 2008 Daihatsu Sirion cars passed their MOT first time, across 1,811 tests. The average for all 16-year-old cars was 56.9%.

What are the most common MOT failures on a 2008 Daihatsu Sirion?

The most common failure reasons were suspension arms - ball joint: ball joint excessively worn; rigid brake pipes: excessively corroded; linkage ball joints: ball joint excessively worn. The biggest problem area was suspension.

Is the 2008 Daihatsu Sirion reliable at MOT time?

Its MOT Rank score is 109, which is well above average for a car of its age (100 means exactly average).