2020 · 4 years old at test · Diesel mostly

2020 Audi A6 MOT pass rate and common faults

3,572 MOT tests in 2024. 91.1% passed first time, compared with 86.9% for all cars the same age.

105Above average
Passed first time91.1%
Failed or needed repairs8.9%
Typical mileage at test39,000

Most common reasons for failing

Share of all 3,572 tests where this item caused a failure.

  1. Tread depth below requirements of 1.6mm2.2%
    154 marked dangerous
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.5%
  3. Tyres - condition: has ply or cords exposed0.6%
    41 marked dangerous
  4. Brake pads: less than 1.5 mm thick0.5%
    23 marked dangerous
  5. Malfunction indicator lamp: inoperative or indicates a malfunction0.4%
  6. Wipers: does not clear the windscreen effectively0.3%
  7. Headlamp aim: too high0.3%
  8. SRS malfunction indicator lamp: warning lamp indicates a fault0.3%
  9. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.3%
    12 marked dangerous
  10. Registration plates: does not conform to the specified requirements0.3%

Problem areas

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

  1. Tyres5.1%
  2. Lights & electrics1.3%
  3. Brakes1.1%
  4. Visibility (wipers, screen, mirrors)1.0%
  5. Emissions & leaks0.6%
  6. Number plates & VIN0.5%
  7. Suspension0.5%
  8. Seat belts & airbags0.4%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm15.0%
  2. Brake pads: less than 1.5 mm thick7.9%
  3. Mounting corroded and seriously weakened3.3%
  4. Non-component advisories: Nail in tyre2.4%
  5. Tyres - condition: has a tear, caused by separation or partial failure of its structure2.4%

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: tread depth below requirements of 1.6mm. 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 2020 Audi A6?

In 2024, 91.1% of 2020 Audi A6 cars passed their MOT first time, across 3,572 tests. The average for all 4-year-old cars was 86.9%.

What are the most common MOT failures on a 2020 Audi A6?

The most common failure reasons were tread depth below requirements of 1.6mm; tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords; tyres - condition: has ply or cords exposed. The biggest problem area was tyres.

Is the 2020 Audi A6 reliable at MOT time?

Its MOT Rank score is 105, which is above average for a car of its age (100 means exactly average).