| Audi S6 Vehicle Models | Used Price (trade in estimate) |
MPG combined |
Fuel Capacity |
| 2018 Audi S6 Trim: Premium Plus quattro 4dr Sedan AWD (4.0L 8cyl Turbo 7AM) | n/a | n/a | n/a |
| 2018 Audi S6 Trim: Prestige quattro 4dr Sedan AWD (4.0L 8cyl Turbo 7AM) | n/a | n/a | n/a |
| 2017 Audi S6 Trim: quattro 4dr Sedan AWD (4.0L 8cyl Turbo 7AM) | n/a | n/a | n/a |
| 2016 Audi S6 Trim: quattro 4dr Sedan AWD (4.0L 8cyl Turbo 7AM) | n/a | n/a | n/a |
| 2015 Audi S6 Trim: quattro 4dr Sedan AWD (4.0L 8cyl Turbo 7AM) | n/a | 20/gallon | 19.8 |
| 2014 Audi S6 Trim: quattro 4dr Sedan AWD (4.0L 8cyl Turbo 7AM) | $55,146 | 20/gallon | 19.8 |
| 2013 Audi S6 Trim: Prestige quattro 4dr Sedan AWD (4.0L 8cyl Turbo 7AM) | $53,849 | 20/gallon | 19.8 |
| 2011 Audi S6 Trim: Prestige quattro 4dr Sedan AWD (5.2L 10cyl 6A) | $42,644 | 16/gallon | 21.1 |
| 2010 Audi S6 Trim: Prestige quattro 4dr Sedan AWD (5.2L 10cyl 6A) | $32,519 | 16/gallon | 21.1 |
| 2009 Audi S6 Trim: quattro 4dr Sedan AWD (5.2L 10cyl 6A) | $30,021 | 16/gallon | 21.1 |
| 2008 Audi S6 Trim: quattro 4dr Sedan AWD (5.2L 10cyl 6A) | $24,702 | 16/gallon | 21.1 |
| 2007 Audi S6 Trim: quattro 4dr Sedan AWD (5.2L 10cyl 6A) | $21,328 | 16/gallon | 21.1 |
| 2003 Audi S6 Trim: Avant quattro AWD 4dr Wagon (4.2L 8cyl 5A) | $9,879 | 15/gallon | 21.7 |
| 2002 Audi S6 Trim: Avant quattro AWD 4dr Wagon (4.2L 8cyl 5A) | $8,574 | 15/gallon | 21.7 |