2004 · 20 years old at test · Petrol mostly

2004 Vauxhall Signum MOT pass rate and common faults

153 MOT tests in 2024. 48.4% passed first time, compared with 56.4% for all cars the same age.

86Well below average
Passed first time48.4%
Failed or needed repairs51.6%
Typical mileage at test110,000

Most common reasons for failing

Share of all 153 tests where this item caused a failure.

  1. Coil spring: fractured or broken9.2%
  2. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt7.8%
  3. Linkage ball joints: ball joint excessively worn5.9%
  4. Rbt (sp): efficiency below requirements5.9%
  5. Tread depth below requirements of 1.6mm5.2%
    21 marked dangerous
  6. Parking brake performance: inoperative on one side5.2%
  7. Position lamp: not working5.2%
  8. Service brake performance: excessively binding4.6%
  9. Headlamp aim: projected beam image is obviously incorrect4.6%
  10. Rigid brake pipes: excessively corroded4.6%

Problem areas

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

  1. Suspension37.9%
  2. Brakes37.3%
  3. Lights & electrics32.7%
  4. Body & chassis17.0%
  5. Emissions & leaks15.0%
  6. Tyres13.1%
  7. Visibility (wipers, screen, mirrors)10.5%
  8. Steering3.9%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Brake discs: in such a condition that it is seriously weakened22.2%
  2. Tread depth below requirements of 1.6mm21.6%
  3. Rigid brake pipes: excessively corroded20.9%
  4. Engine oil leaks: leaking excessively from engine20.3%
  5. Non-component advisories: Play in steering rack inner joint(s)14.4%

What this means if you are buying one

This model year fails more often than most cars its age, so budget for repairs and check the history carefully. 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.

All Signum years2005 Signum →

Questions

What is the MOT pass rate for a 2004 Vauxhall Signum?

In 2024, 48.4% of 2004 Vauxhall Signum cars passed their MOT first time, across 153 tests. The average for all 20-year-old cars was 56.4%.

What are the most common MOT failures on a 2004 Vauxhall Signum?

The most common failure reasons were coil spring: fractured or broken; joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt; linkage ball joints: ball joint excessively worn. The biggest problem area was suspension.

Is the 2004 Vauxhall Signum reliable at MOT time?

Its MOT Rank score is 86, which is well below average for a car of its age (100 means exactly average).