2006 · 18 years old at test · Diesel mostly

2006 Vauxhall Signum MOT pass rate and common faults

431 MOT tests in 2024. 60.3% passed first time, compared with 56.1% for all cars the same age.

107Above average
Passed first time60.3%
Failed or needed repairs39.7%
Typical mileage at test123,000

Most common reasons for failing

Share of all 431 tests where this item caused a failure.

  1. Coil spring: fractured or broken5.6%
  2. Headlamp aim: projected beam image is obviously incorrect3.9%
  3. Rbt (sp): efficiency below requirements3.2%
  4. Rigid brake pipes: excessively corroded3.2%
  5. Tread depth below requirements of 1.6mm3.0%
    21 marked dangerous
  6. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt2.8%
  7. Suspension arms - pins and bushes: pin or bush excessively worn2.6%
  8. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.6%
  9. Linkage ball joints: ball joint excessively worn2.3%
  10. Brake pads: less than 1.5 mm thick2.3%
    12 marked dangerous

Problem areas

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

  1. Lights & electrics24.1%
  2. Brakes23.0%
  3. Suspension21.8%
  4. Tyres10.9%
  5. Body & chassis8.1%
  6. Emissions & leaks6.5%
  7. Visibility (wipers, screen, mirrors)5.8%
  8. Steering2.6%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm20.2%
  2. Rigid brake pipes: excessively corroded16.9%
  3. Coil spring: corroded so that its cross sectional area is reduced and seriously weakened15.3%
  4. Engine oil leaks: leaking excessively from engine13.7%
  5. Brake discs: in such a condition that it is seriously weakened12.8%

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: coil spring: fractured or broken. 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 2006 Vauxhall Signum?

In 2024, 60.3% of 2006 Vauxhall Signum cars passed their MOT first time, across 431 tests. The average for all 18-year-old cars was 56.1%.

What are the most common MOT failures on a 2006 Vauxhall Signum?

The most common failure reasons were coil spring: fractured or broken; headlamp aim: projected beam image is obviously incorrect; rbt (sp): efficiency below requirements. The biggest problem area was lights & electrics.

Is the 2006 Vauxhall Signum reliable at MOT time?

Its MOT Rank score is 107, which is above average for a car of its age (100 means exactly average).