2018 · 6 years old at test · Diesel mostly

2018 Audi A8 MOT pass rate and common faults

958 MOT tests in 2024. 93.0% passed first time, compared with 82.5% for all cars the same age.

113Well above average
Passed first time93.0%
Failed or needed repairs7.0%
Typical mileage at test53,000

Most common reasons for failing

Share of all 958 tests where this item caused a failure.

  1. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.3%
  2. Tread depth below requirements of 1.6mm1.0%
    19 marked dangerous
  3. Tyres - condition: has ply or cords exposed0.9%
    15 marked dangerous
  4. Brake pads: less than 1.5 mm thick0.7%
    12 marked dangerous
  5. Registration plates: does not conform to the specified requirements0.4%
  6. Malfunction indicator lamp: inoperative or indicates a malfunction0.3%
  7. Tyre pressure monitoring system: malfunctioning or obviously inoperative0.2%
  8. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.2%
    2 marked dangerous
  9. Washers: not working0.2%
  10. Door condition: cannot be opened from outside the vehicle0.2%

Problem areas

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

  1. Tyres4.3%
  2. Lights & electrics1.5%
  3. Visibility (wipers, screen, mirrors)1.0%
  4. Brakes0.9%
  5. Number plates & VIN0.6%
  6. Emissions & leaks0.5%
  7. Body & chassis0.4%
  8. Suspension0.2%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm10.1%
  2. Brake pads: less than 1.5 mm thick5.1%
  3. Brake discs: in such a condition that it is seriously weakened4.5%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure2.6%
  5. Suspension arms - pins and bushes: pin or bush excessively worn2.6%

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: tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords. 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 A8?

In 2024, 93.0% of 2018 Audi A8 cars passed their MOT first time, across 958 tests. The average for all 6-year-old cars was 82.5%.

What are the most common MOT failures on a 2018 Audi A8?

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

Is the 2018 Audi A8 reliable at MOT time?

Its MOT Rank score is 113, which is well above average for a car of its age (100 means exactly average).