2020 · 4 years old at test · Petrol mostly

2020 Audi A4 MOT pass rate and common faults

8,465 MOT tests in 2024. 88.6% passed first time, compared with 86.9% for all cars the same age.

102About average
Passed first time88.6%
Failed or needed repairs11.4%
Typical mileage at test36,000

Most common reasons for failing

Share of all 8,465 tests where this item caused a failure.

  1. Tread depth below requirements of 1.6mm2.7%
    444 marked dangerous
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.7%
  3. Tyres - condition: has ply or cords exposed1.3%
    188 marked dangerous
  4. Mounting corroded and seriously weakened0.7%
  5. Headlamp aim: too high0.6%
  6. Tyres - condition: has a tear, caused by separation or partial failure of its structure0.6%
    90 marked dangerous
  7. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.6%
    60 marked dangerous
  8. Brake pads: less than 1.5 mm thick0.5%
    74 marked dangerous
  9. Malfunction indicator lamp: inoperative or indicates a malfunction0.4%
  10. Shock absorbers: has a serious fluid leak0.3%

Problem areas

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

  1. Tyres7.5%
  2. Lights & electrics1.5%
  3. Suspension1.4%
  4. Brakes1.2%
  5. Visibility (wipers, screen, mirrors)0.9%
  6. Emissions & leaks0.5%
  7. Seat belts & airbags0.4%
  8. Wheels0.3%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm15.6%
  2. Brake pads: less than 1.5 mm thick7.1%
  3. Mounting corroded and seriously weakened4.2%
  4. Brake discs: in such a condition that it is seriously weakened3.4%
  5. Tyres - condition: has a tear, caused by separation or partial failure of its structure3.3%

What this means if you are buying one

This model year is about as good as an average car its age. 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 A4?

In 2024, 88.6% of 2020 Audi A4 cars passed their MOT first time, across 8,465 tests. The average for all 4-year-old cars was 86.9%.

What are the most common MOT failures on a 2020 Audi A4?

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 A4 reliable at MOT time?

Its MOT Rank score is 102, which is about average for a car of its age (100 means exactly average).