1999 · 25 years old at test · Petrol mostly

1999 Audi A6 MOT pass rate and common faults

128 MOT tests in 2024. 61.7% passed first time, compared with 63.3% for all cars the same age.

98Below average
Passed first time61.7%
Failed or needed repairs38.3%
Typical mileage at test153,000

Most common reasons for failing

Share of all 128 tests where this item caused a failure.

  1. Suspension arms - ball joint: ball joint excessively worn6.3%
  2. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt5.5%
  3. Suspension arms - pins and bushes: pin or bush excessively worn4.7%
  4. Catalyst emissions: carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits4.7%
  5. Rear fog lamp: not working3.9%
  6. Tyres - condition: has ply or cords exposed3.9%
    9 marked dangerous
  7. Track rod end: ball joint has excessive play3.9%
  8. SRS malfunction indicator lamp: warning lamp indicates a fault2.3%
  9. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits2.3%
  10. Anti-lock braking system: warning lamp indicates an ABS fault2.3%

Problem areas

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

  1. Suspension17.2%
  2. Lights & electrics17.2%
  3. Brakes16.4%
  4. Emissions & leaks12.5%
  5. Body & chassis10.9%
  6. Tyres10.2%
  7. Steering7.8%
  8. Visibility (wipers, screen, mirrors)6.3%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Engine oil leaks: leaking excessively from engine27.3%
  2. Brake discs: in such a condition that it is seriously weakened18.8%
  3. Tread depth below requirements of 1.6mm13.3%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure13.3%
  5. Rigid brake pipes: excessively corroded11.7%

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: 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.

All A6 years2000 A6 →

Questions

What is the MOT pass rate for a 1999 Audi A6?

In 2024, 61.7% of 1999 Audi A6 cars passed their MOT first time, across 128 tests. The average for all 25-year-old cars was 63.3%.

What are the most common MOT failures on a 1999 Audi A6?

The most common failure reasons were suspension arms - ball joint: ball joint excessively worn; joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt; suspension arms - pins and bushes: pin or bush excessively worn. The biggest problem area was suspension.

Is the 1999 Audi A6 reliable at MOT time?

Its MOT Rank score is 98, which is below average for a car of its age (100 means exactly average).