2005 · 19 years old at test · Petrol mostly

2005 Vauxhall Signum MOT pass rate and common faults

209 MOT tests in 2024. 59.8% passed first time, compared with 56.5% for all cars the same age.

106Above average
Passed first time59.8%
Failed or needed repairs40.2%
Typical mileage at test118,000

Most common reasons for failing

Share of all 209 tests where this item caused a failure.

  1. Coil spring: fractured or broken5.7%
  2. Exhaust system: has a major leak of exhaust gases4.8%
  3. Headlamp aim: projected beam image is obviously incorrect4.3%
  4. Tread depth below requirements of 1.6mm3.8%
    9 marked dangerous
  5. Rbt (sp): efficiency below requirements3.3%
  6. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt3.3%
  7. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits3.3%
  8. Rigid brake pipes: excessively corroded3.3%
  9. Suspension arms - pins and bushes: pin or bush excessively worn2.9%
  10. Tyres - condition: has ply or cords exposed2.9%
    7 marked dangerous

Problem areas

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

  1. Lights & electrics26.8%
  2. Suspension23.0%
  3. Brakes20.1%
  4. Emissions & leaks18.2%
  5. Body & chassis12.4%
  6. Tyres11.5%
  7. Visibility (wipers, screen, mirrors)6.2%
  8. Steering3.3%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Rigid brake pipes: excessively corroded18.7%
  2. Brake discs: in such a condition that it is seriously weakened17.7%
  3. Tread depth below requirements of 1.6mm15.8%
  4. Engine oil leaks: leaking excessively from engine14.4%
  5. Non-component advisories: Play in steering rack inner joint(s)12.4%

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 2005 Vauxhall Signum?

In 2024, 59.8% of 2005 Vauxhall Signum cars passed their MOT first time, across 209 tests. The average for all 19-year-old cars was 56.5%.

What are the most common MOT failures on a 2005 Vauxhall Signum?

The most common failure reasons were coil spring: fractured or broken; exhaust system: has a major leak of exhaust gases; headlamp aim: projected beam image is obviously incorrect. The biggest problem area was lights & electrics.

Is the 2005 Vauxhall Signum reliable at MOT time?

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