Audi S4 Tdi Quattro Auto
From 821 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, engine mil illuminated indicating a malfunction and a spring or spring component fractured or seriously weakened. The top issue, a tyre seriously damaged, caused 14 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 | 14 |
| engine mil illuminated indicating a malfunction | 4 |
| a spring or spring component fractured or seriously weakened | 3 |
| brake disc or drum significantly and obviously worn | 3 |
| a brake lining or pad worn below 1.5mm | 3 |
| windscreen or window damaged or seriously discoloured but not adversely affecting driver's view | 3 |
| brake lining or pad worn down to wear indicator | 2 |
| a suspension component excessively damaged or corroded | 2 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 1 |
| a shock absorber damaged to the extent that it does not function or showing signs of severe leakage | 1 |
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2020 | 94.1% | a tyre seriously damaged, engine mil illuminated indicating a malfunction |
| 2019 | 96.9% | a tyre seriously damaged, a spring or spring component fractured or seriously weakened |
Typical mileage
Half of all S4 Tdi Quattro Autos tested had between 26,433 and 47,812 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 31,084 median miles, the S4 Tdi Quattro Auto has 0.016 failures per 10,000 miles driven.
Other Audi models
Common questions
What is the Audi S4 Tdi Quattro Auto MOT pass rate?
The Audi S4 Tdi Quattro Auto has a 95.1% MOT pass rate based on 821 real MOT tests. This is above the national average.
What are common MOT failures on a Audi S4 Tdi Quattro Auto?
The most common MOT failure on the Audi S4 Tdi Quattro Auto is a tyre seriously damaged, which caused 14 failures. Other common issues include engine mil illuminated indicating a malfunction.
What is the typical mileage of a Audi S4 Tdi Quattro Auto at MOT?
The median mileage at MOT for a Audi S4 Tdi Quattro Auto is 31,084 miles. The middle 50% of vehicles tested have between 26,433 and 47,812 miles.
Buying a used S4 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.
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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.