Audi S6 Tdi Quattro Auto
From 410 MOT tests. Above average for its class.
Common MOT failure categories
Pass rate by registration year
What goes wrong?
The most common MOT failure reasons are a tyre seriously damaged, number plate does not conform to the specified requirements and tyre tread depth not in accordance with the requirements. The top issue, a tyre seriously damaged, caused 9 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| a tyre seriously damaged | 9 |
| number plate does not conform to the specified requirements | 8 |
| tyre tread depth not in accordance with the requirements | 4 |
| brake lining or pad worn down to wear indicator | 4 |
| wiper blade missing or obviously not clearing the windscreen | 3 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 2 |
| a headlamp cleaning device inoperative in the case of led or gas discharge systems (hid) | 2 |
| a tyre cords visible or damaged | 2 |
| engine mil illuminated indicating a malfunction | 2 |
| brake performance unable to be tested | 2 |
How serious are these failures?
Not all MOT failures are equal. Only 34.2% of S6 Tdi Quattro Auto failures are serious (safety or roadside), below the 44.4% average. When this car fails its MOT, it's more likely to be lights, wipers, or emissions than something dangerous. When it does fail, the average repair bill is around £62.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2020 | 76.3% | a tyre seriously damaged, brake lining or pad worn down to wear indicator |
| 2019 | 91.6% | number plate does not conform to the specified requirements, tyre tread depth not in accordance with the requirements |
Typical mileage
Half of all S6 Tdi Quattro Autos tested had between 31,769 and 44,904 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 39,420 median miles, the S6 Tdi Quattro Auto has 0.037 failures per 10,000 miles driven.
Other Audi models
Common questions
What is the Audi S6 Tdi Quattro Auto MOT pass rate?
The Audi S6 Tdi Quattro Auto has a 85.6% MOT pass rate based on 410 real MOT tests. This is above the national average.
What are common MOT failures on a Audi S6 Tdi Quattro Auto?
The most common MOT failure on the Audi S6 Tdi Quattro Auto is a tyre seriously damaged, which caused 9 failures. Other common issues include number plate does not conform to the specified requirements.
What is the typical mileage of a Audi S6 Tdi Quattro Auto at MOT?
The median mileage at MOT for a Audi S6 Tdi Quattro Auto is 39,420 miles. The middle 50% of vehicles tested have between 31,769 and 44,904 miles.
Buying a used S6 Tdi Quattro Auto?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
Some links are to services we may earn from. Disclosure.
MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.