2018 · 6 years old at test · Diesel mostly

2018 Audi A6 MOT pass rate and common faults

8,017 MOT tests in 2024. 87.2% passed first time, compared with 82.5% for all cars the same age.

106Above average
Passed first time87.2%
Failed or needed repairs12.8%
Typical mileage at test58,000

Most common reasons for failing

Share of all 8,017 tests where this item caused a failure.

  1. Tread depth below requirements of 1.6mm2.2%
    283 marked dangerous
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.6%
  3. Tyres - condition: has ply or cords exposed1.4%
    157 marked dangerous
  4. Malfunction indicator lamp: inoperative or indicates a malfunction1.1%
  5. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.8%
    76 marked dangerous
  6. Brake pads: less than 1.5 mm thick0.7%
    74 marked dangerous
  7. Coil spring: fractured or broken0.6%
  8. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt0.4%
  9. Headlamp aim: too low0.4%
  10. Road Wheels - attachment: fixing missing0.4%

Problem areas

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

  1. Tyres7.1%
  2. Lights & electrics1.8%
  3. Brakes1.7%
  4. Emissions & leaks1.5%
  5. Suspension1.4%
  6. Visibility (wipers, screen, mirrors)1.3%
  7. Body & chassis0.6%
  8. Wheels0.5%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm16.1%
  2. Brake pads: less than 1.5 mm thick8.5%
  3. Suspension arms - pins and bushes: pin or bush excessively worn3.9%
  4. Brake discs: in such a condition that it is seriously weakened3.3%
  5. Tyres - condition: has a tear, caused by separation or partial failure of its structure2.8%

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 2018 Audi A6?

In 2024, 87.2% of 2018 Audi A6 cars passed their MOT first time, across 8,017 tests. The average for all 6-year-old cars was 82.5%.

What are the most common MOT failures on a 2018 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 2018 Audi A6 reliable at MOT time?

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