2015–2025 · 10 model years · 30 recalls
We don't rate the Audi S6 yet, because we don't have its sales figures. The 2016 has the most owner complaints filed with NHTSA (30). Owners complain most about engine & cooling. Popular years get more complaints, so treat these counts as a guide to what goes wrong, not a ranking.
Owner complaints filed with NHTSA, all years 2015–2025.
| Model year | Reliability | Complaints | Recalls | Best mpg |
|---|---|---|---|---|
| 2025 S6 | Not rated yet | 7 | 1 | 22 |
| 2024 S6 | Not rated yet | 0 | 1 | 22 |
| 2023 S6 | Not rated yet | 0 | 1 | 22 |
| 2022 S6 | Not rated yet | 7 | 4 | 22 |
| 2021 S6 | Not rated yet | 0 | 10 | 22 |
| 2020 S6 | Not rated yet | 5 | 6 | 22 |
| 2018 S6 | Not rated yet | 5 | 1 | 18 |
| 2017 S6 | Not rated yet | 6 | 2 | 21 |
| 2016 S6 | Not rated yet | 30 | 2 | 21 |
| 2015 S6 | Not rated yet | 8 | 2 | 20 |
Reliability compares each year with similar cars from 2015 to 2024, using owner complaints filed with NHTSA per car sold. Complaint counts on their own aren't a score: popular cars get more of them.
Owners complain most about engine & cooling, electrical system, driver-assist & stability.
The 2021, with 10 recalls on record with NHTSA.