2021 · 3 years old at test · Diesel mostly

2021 Audi A8 MOT pass rate and common faults

286 MOT tests in 2024. 93.0% passed first time, compared with 87.6% for all cars the same age.

106Above average
Passed first time93.0%
Failed or needed repairs7.0%
Typical mileage at test30,000

Most common reasons for failing

Share of all 286 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 cords2.1%
  2. Tread depth below requirements of 1.6mm1.4%
    5 marked dangerous
  3. Tyres - condition: has ply or cords exposed1.4%
    7 marked dangerous
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure0.7%
    2 marked dangerous
  5. Washers: provides insufficient washer liquid0.7%
  6. Tyres - condition: fouling a part of the vehicle0.3%
  7. Other components and prescribed areas - other components: insecure0.3%
  8. Windscreen: damaged and affecting the driver's view of the road0.3%
  9. Brake pads: less than 1.5 mm thick0.3%
    2 marked dangerous

Problem areas

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

  1. Tyres5.9%
  2. Visibility (wipers, screen, mirrors)1.0%
  3. Brakes0.7%
  4. Suspension0.3%
  5. Emissions & leaks0.3%
  6. Lights & electrics0.3%
  7. Number plates & VIN0.3%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm8.0%
  2. Brake discs: in such a condition that it is seriously weakened3.8%
  3. Brake pads: less than 1.5 mm thick2.8%
  4. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.8%
  5. Non-component advisories: Nail in tyre2.4%

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: 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 2021 Audi A8?

In 2024, 93.0% of 2021 Audi A8 cars passed their MOT first time, across 286 tests. The average for all 3-year-old cars was 87.6%.

What are the most common MOT failures on a 2021 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 2021 Audi A8 reliable at MOT time?

Its MOT Rank score is 106, which is above average for a car of its age (100 means exactly average).