2018 · 6 years old at test · Petrol mostly

2018 Audi A4 MOT pass rate and common faults

13,246 MOT tests in 2024. 83.5% passed first time, compared with 82.5% for all cars the same age.

101About average
Passed first time83.5%
Failed or needed repairs16.5%
Typical mileage at test53,000

Most common reasons for failing

Share of all 13,246 tests where this item caused a failure.

  1. Coil spring: fractured or broken5.1%
  2. Tread depth below requirements of 1.6mm2.8%
    638 marked dangerous
  3. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.7%
  4. Tyres - condition: has ply or cords exposed1.4%
    256 marked dangerous
  5. Brake pads: less than 1.5 mm thick1.0%
    201 marked dangerous
  6. Wipers: does not clear the windscreen effectively0.7%
  7. Headlamp aim: too high0.5%
  8. Tyres - condition: has a tear, caused by separation or partial failure of its structure0.4%
    88 marked dangerous
  9. Brake pads: worn down to wear indicator0.4%
  10. Malfunction indicator lamp: inoperative or indicates a malfunction0.4%

Problem areas

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

  1. Tyres7.6%
  2. Suspension6.7%
  3. Brakes2.4%
  4. Visibility (wipers, screen, mirrors)1.7%
  5. Lights & electrics1.5%
  6. Emissions & leaks0.7%
  7. Body & chassis0.4%
  8. Wheels0.4%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm16.8%
  2. Brake pads: less than 1.5 mm thick8.9%
  3. Suspension arms - pins and bushes: pin or bush excessively worn7.6%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure4.9%
  5. Brake discs: in such a condition that it is seriously weakened4.4%

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: 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.

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Questions

What is the MOT pass rate for a 2018 Audi A4?

In 2024, 83.5% of 2018 Audi A4 cars passed their MOT first time, across 13,246 tests. The average for all 6-year-old cars was 82.5%.

What are the most common MOT failures on a 2018 Audi A4?

The most common failure reasons were coil spring: fractured or broken; 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. The biggest problem area was tyres.

Is the 2018 Audi A4 reliable at MOT time?

Its MOT Rank score is 101, which is about average for a car of its age (100 means exactly average).