2005 · 19 years old at test · Diesel mostly

2005 Audi A4 MOT pass rate and common faults

7,226 MOT tests in 2024. 61.0% passed first time, compared with 56.5% for all cars the same age.

108Above average
Passed first time61.0%
Failed or needed repairs39.0%
Typical mileage at test137,000

Most common reasons for failing

Share of all 7,226 tests where this item caused a failure.

  1. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt3.8%
  2. Suspension arms - pins and bushes: pin or bush excessively worn3.8%
  3. Headlamp aim: projected beam image is obviously incorrect3.5%
  4. Suspension arms - ball joint dust cover: ball joint dust cover no longer prevents the ingress of dirt3.3%
  5. Tread depth below requirements of 1.6mm3.3%
    395 marked dangerous
  6. Coil spring: fractured or broken3.2%
  7. Anti-lock braking system: warning lamp indicates an ABS fault3.1%
  8. Malfunction indicator lamp: inoperative or indicates a malfunction2.9%
  9. Service brake performance: excessively binding2.6%
  10. Registration plate lamp(s): inoperative in the case of a single lamp or all lamps2.3%

Problem areas

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

  1. Lights & electrics25.6%
  2. Brakes21.1%
  3. Suspension20.4%
  4. Tyres9.3%
  5. Emissions & leaks8.3%
  6. Body & chassis7.3%
  7. Visibility (wipers, screen, mirrors)4.6%
  8. Seat belts & airbags3.3%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm20.0%
  2. Suspension arms - pins and bushes: pin or bush excessively worn18.5%
  3. Engine oil leaks: leaking excessively from engine14.5%
  4. Brake discs: in such a condition that it is seriously weakened13.0%
  5. Tyres - condition: has a tear, caused by separation or partial failure of its structure8.2%

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: joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt. 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 Audi A4?

In 2024, 61.0% of 2005 Audi A4 cars passed their MOT first time, across 7,226 tests. The average for all 19-year-old cars was 56.5%.

What are the most common MOT failures on a 2005 Audi A4?

The most common failure reasons were joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt; suspension arms - pins and bushes: pin or bush excessively worn; headlamp aim: projected beam image is obviously incorrect. The biggest problem area was lights & electrics.

Is the 2005 Audi A4 reliable at MOT time?

Its MOT Rank score is 108, which is above average for a car of its age (100 means exactly average).