The Audi S8 has a different sized gas tank based on year and model trim.
Larger sized gas tanks are advantageous because you don't need to go to the gas station as often. Also, you can take advantage of days when gas prices are discounted and fill up your vehicle with a larger quantity of gas.
Scroll down for the gas tank size tables for your year and trim.
Audi S8 Gas Tank Sizes (2021)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2021 |
Base 4.0 TFSI |
4.0L |
21.7 |
82.1 |
Audi S8 Gas Tank Sizes (2020)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2020 |
Base 4.0 TFSI |
4.0L |
21.7 |
82.1 |
| 2020 |
Sedan 4D AWD |
4.0L |
21.7 |
82.1 |
Audi S8 Gas Tank Sizes (2017 - 2018)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2018 |
Sedan 4D Plus AWD |
4.0L |
21.7 |
82.1 |
| 2018 |
Sedan 4D Plus AWD |
4.0L |
21.7 |
82.1 |
| 2017 |
Sedan 4D Plus AWD V8 Turbo |
4.0L |
21.7 |
82.1 |
| 2017 |
Sedan 4D Plus AWD V8 Turbo |
4.0L |
21.7 |
82.1 |
Audi S8 Gas Tank Sizes (2015 - 2016)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2016 |
Sedan 4D AWD V8 Turbo |
4.0L |
21.7 |
82.1 |
| 2016 |
Sedan 4D Plus AWD V8 Turbo |
4.0L |
21.7 |
82.1 |
| 2015 |
Sedan 4D AWD V8 Turbo |
4.0L |
21.7 |
82.1 |
Audi S8 Gas Tank Sizes (2013 - 2014)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2014 |
Sedan 4D AWD V8 Turbo |
4.0L |
23.8 |
90.1 |
| 2013 |
Sedan 4D AWD |
4.0L |
23.8 |
90.1 |
Audi S8 Gas Tank Sizes (2009)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2009 |
V10 Sedan 4D Quattro |
5.2L |
23.8 |
90.1 |
Audi S8 Gas Tank Sizes (2007 - 2008)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2008 |
V10 Sedan 4D Quattro |
5.2L |
23.8 |
90.1 |
| 2007 |
V10 Sedan 4D Quattro |
5.2L |
23.8 |
90.1 |
Audi S8 Gas Tank Sizes (2003)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2003 |
A8 V8 Sedan 4D Quattro |
4.2L |
23.8 |
90.1 |
Audi S8 Gas Tank Sizes (2002)
| Year |
Trim |
Engine |
Gallons |
Liters |
| 2002 |
A8 V8 Sedan 4D Quattro |
4.2L |
23.8 |
90.1 |
