Audi RS6 MOT pass rate and common problems

The Audi RS6 passed 88.9% of its initial MOT tests in 2025, 16.6 percentage points above the 72.3% UK average. The item testers recorded most often was condition has a cut in excess of the requirements deep enough to reach the ply or cords.

Checking a specific car? Its own results, advisories and recorded mileages are in a free MOT history check.

How the RS6 compares

Initial MOT tests in 2025, retests excluded. A car that failed and was repaired at the test station counts as a fail.

88.9%

Audi RS6

78.5%

Audi average

72.3%

UK average, all cars

The RS6 runs 10.4 points ahead of the Audi average. It is 7th of the 24 Audi models in the data. The average RS6 arrived at its test 7.6 years old with 49,140 miles recorded.

A pass rate records whether cars met the roadworthiness standard on test day. It is not a reliability score, and part of any gap reflects how old the tested cars were.

RS6 MOT pass rate by age

The same 2025 tests split by the car's age at test.

Audi RS6 cars aged 3 to 5 years passed 91.6% of MOT tests. For cars aged 11 years and over that fell to 85.4%, a drop of 6.3 percentage points.

Age at testTestsPass ratevs UK average
3 to 5 years 1,266 91.6% 19.3 pts above
6 to 10 years 130 85.4% 13.1 pts above
11 years and over 533 85.4% 13.1 pts above

That is a typical decline as cars age. The UK average of 72.3% covers cars of every age, so compare like with like.

Where RS6 failures cluster

Every failure item recorded on Audi RS6 cars in 2025, grouped into the DVSA's test areas.

  • Tyres41.6%
  • Noise, emissions and leaks12.6%
  • Lamps, reflectors and electrical equipment12.1%
  • Brakes8.8%
  • Identification of the vehicle8.2%
  • Suspension8.2%

Tyres and noise, emissions and leaks together account for 54.2% of recorded failure items. These are recorded failures across the model, not faults every car has.

The 10 most common RS6 MOT failures

Specific items recorded on Audi RS6 cars that failed their 2025 MOT, as a share of all recorded failure items.

  1. 1Condition has a cut in excess of the requirements deep enough to reach the ply or cordsTyres 14.3%
  2. 2Condition has ply or cords exposedTyres 12.1%
  3. 3Registration plates does not conform to the specified requirementsIdentification of the vehicle 7.7%
  4. 4Condition has a bulge, caused by separation or partial failure of its structureTyres 6.6%
  5. 5Headlamp aim too lowLamps, reflectors and electrical equipment 3.3%
  6. 6Headlamp aim too highLamps, reflectors and electrical equipment 3.1%
  7. 7Tread depth below requirements of 1.6mmTyres 3.1%
  8. 8Pins and bushes pin or bush excessively wornSuspension 2.9%
  9. 9Catalyst emissions lambda reading after 2nd fast idle outside specified limitsNoise, emissions and leaks 2.6%
  10. 10Brake pads less than 1.5 mm thickBrakes 2.4%

Together these 10 items make up 58.1% of everything testers recorded against failed Audi RS6 cars. The rest is spread across many smaller items, and one failed test often records several at once.

What to look at on a RS6

The recorded failures above, grouped by area, biggest first.

1

Tyres

Recorded most often: condition has a cut in excess of the requirements deep enough to reach the ply or cords, condition has ply or cords exposed, condition has a bulge, caused by separation or partial failure of its structure and tread depth below requirements of 1.6mm. 36.1% of failure items.

2

Identification of the vehicle

Recorded most often: registration plates does not conform to the specified requirements. 7.7% of failure items.

3

Lamps, reflectors and electrical equipment

Recorded most often: headlamp aim too low and headlamp aim too high. 6.4% of failure items.

4

Suspension

Recorded most often: pins and bushes pin or bush excessively worn. 2.9% of failure items.

The car's own MOT history matters more than any model average. A free MOT history check shows whether a specific RS6 has failed on these items before, or had them noted as advisories. Buying one? See the used Audi RS6 buying guide.

Already found one?

Check its finance, write-off, theft, mileage and keeper history with a £15 vehicle history report.

Audi RS6 MOT FAQs

What is the Audi RS6 MOT pass rate?

88.9% of Audi RS6 cars passed their initial MOT first time in 2025, from 2,186 tests. That is 16.6 percentage points above the 72.3% average for all cars, and ranks 53rd of 575 models.

What does an Audi RS6 most commonly fail its MOT on?

The item testers recorded most often on Audi RS6 cars failing their 2025 MOT was condition has a cut in excess of the requirements deep enough to reach the ply or cords, on 14.3% of failure items. Next were condition has ply or cords exposed (12.1%) and registration plates does not conform to the specified requirements (7.7%).

Which area causes the most Audi RS6 MOT failures?

Across every recorded failure item, the largest area was tyres at 41.6%, followed by noise, emissions and leaks at 12.6%.

Do older Audi RS6 cars fail their MOT more often?

Audi RS6 cars aged 3 to 5 years passed 91.6% of MOT tests in 2025, against 85.4% for cars aged 11 years and over.

Does this mean every Audi RS6 has these problems?

No. These are the items testers recorded across every Audi RS6 that failed in 2025. They show where the model most often needs attention, not the condition of any individual car.

How do I see a specific Audi RS6's MOT history?

Enter its registration on the free Carpeep MOT history check to see that car's own test results, failures, advisories and recorded mileages.

MOT figures are aggregated from the DVSA MOT Anonymised data set for 2025: class 4 initial tests, retests excluded, with failure items from failed tests (advisories and minor defects excluded), licensed under the Open Government Licence v3.0. MOT results describe roadworthiness at test, not mechanical reliability.