Audi S6 tdi quattro auto
Reliability, running costs, and MOT data across 2 years from 425 real MOT tests.
Avg Pass Rate
90%
Total Tests
425
Best Year
2019 (92%)
Years Covered
2
How reliable is the Audi S6 tdi quattro auto?
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About the Audi S6 tdi quattro auto
The Audi S6 tdi quattro auto has been tested 425 times in 2024 MOT data across 2 model years (2019 to 2020), with an average pass rate of 90%. That's comfortably above the national average of 82%, making it a reliable choice. Available as diesel.
Best and Worst Years
The 2019 model is the most reliable with a 92% pass rate from 233 tests. The 2020 model has the lowest at 88%. With just a 4 point spread, the S6 tdi quattro auto is consistently reliable regardless of year.
Mileage Across Years
The oldest model in our data (2019) averages 49,478 miles, while the newest (2020) averages 49,228 miles.
Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.