
The following table compares the fuel economies of different models of Audi S6 cars, across model years.
The annual fuel costs (shown in the right-hand columns) are calculated based on an estimated annual mileage of 15,000 miles,
of which 55% of the miles are city driving, and 45% of the miles are highway driving.
Annual Cost 1 assumes a fuel cost of $5.00 per gallon, while Annual Cost 2 assumes a fuel cost of $6.00 per gallon.
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2023 S6 | Automatic (S8) | 6 | 22 | 19 | 26 | $3,469 | $4,162 |
| 2022 S6 | Automatic (S8) | 6 | 22 | 18 | 28 | $3,497 | $4,196 |
| 2021 S6 | Automatic (S8) | 6 | 22 | 18 | 28 | $3,497 | $4,196 |
| 2020 S6 | Automatic (S8) | 6 | 22 | 18 | 28 | $3,497 | $4,196 |
| 2018 S6 | Automatic (AM-S7) | 8 | 18 | 16 | 24 | $3,984 | $4,781 |
| 2017 S6 | Automatic (AM-S7) | 8 | 21 | 18 | 27 | $3,541 | $4,250 |
| 2016 S6 | Automatic (AM-S7) | 8 | 21 | 18 | 27 | $3,541 | $4,250 |
| 2015 S6 | Automatic (AM-S7) | 8 | 20 | 17 | 27 | $3,676 | $4,411 |
| 2014 S6 | Automatic (AM-S7) | 8 | 20 | 17 | 27 | $3,676 | $4,411 |
| 2013 S6 | Automatic (AM-S7) | 8 | 20 | 17 | 27 | $3,676 | $4,411 |
| 2011 S6 | Automatic (S6) | 10 | 16 | 14 | 21 | $4,553 | $5,464 |
| 2010 S6 | Automatic (S6) | 10 | 16 | 14 | 19 | $4,722 | $5,667 |
| 2009 S6 | Automatic (S6) | 10 | 16 | 14 | 19 | $4,722 | $5,667 |
| 2008 S6 | Automatic (S6) | 10 | 16 | 14 | 19 | $4,722 | $5,667 |
| 2007 S6 | Automatic (S6) | 10 | 16 | 14 | 19 | $4,722 | $5,667 |
| 1995 S6 | Manual 5-speed | 5 | 18 | 16 | 22 | $4,112 | $4,934 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2003 S6 Avant | Automatic (S5) | 8 | 15 | 13 | 19 | $4,949 | $5,939 |
| 2002 S6 Avant | Automatic (S5) | 8 | 15 | 12 | 19 | $5,213 | $6,256 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 1995 S6 Wagon | Manual 5-speed | 5 | 18 | 16 | 22 | $4,112 | $4,934 |
Data source: Fuel Economy USA, Reference.