
The following table compares the fuel economies of different models of Audi S8 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 |
|---|---|---|---|---|---|---|---|
| 2002 S8 quattro | Automatic (S5) | 8 | 15 | 13 | 20 | $4,860 | $5,832 |
| 2001 S8 quattro | Automatic 5-speed | 8 | 15 | 13 | 20 | $4,860 | $5,832 |
| Model Year | Transmission | Cyl. | Combined MPG | City MPG |
Highway MPG |
Annual Cost 1 |
Annual Cost 2 |
|---|---|---|---|---|---|---|---|
| 2023 S8 | Automatic (S8) | 8 | 18 | 15 | 23 | $4,217 | $5,060 |
| 2022 S8 | Automatic (S8) | 8 | 17 | 14 | 23 | $4,413 | $5,296 |
| 2021 S8 | Automatic (S8) | 8 | 16 | 13 | 22 | $4,707 | $5,648 |
| 2020 S8 | Automatic (S8) | 8 | 16 | 13 | 22 | $4,707 | $5,648 |
| 2018 S8 | Automatic (S8) | 8 | 18 | 14 | 24 | $4,352 | $5,223 |
| 2017 S8 | Automatic (S8) | 8 | 18 | 15 | 24 | $4,156 | $4,987 |
| 2016 S8 | Automatic (S8) | 8 | 19 | 15 | 25 | $4,100 | $4,920 |
| 2015 S8 | Automatic (S8) | 8 | 20 | 17 | 27 | $3,676 | $4,411 |
| 2014 S8 | Automatic (S8) | 8 | 19 | 15 | 26 | $4,048 | $4,857 |
| 2013 S8 | Automatic (S8) | 8 | 19 | 15 | 26 | $4,048 | $4,857 |
| 2009 S8 | Automatic (S6) | 10 | 15 | 13 | 19 | $4,949 | $5,939 |
| 2008 S8 | Automatic (S6) | 10 | 15 | 13 | 19 | $4,949 | $5,939 |
| 2007 S8 | Automatic (S6) | 10 | 15 | 13 | 19 | $4,949 | $5,939 |
| 2003 S8 | Automatic (S5) | 8 | 16 | 14 | 20 | $4,633 | $5,560 |
Data source: Fuel Economy USA, Reference.