2015 Audi S6 Gas Tank Size
Gas tank size for 2015 Audi S6. Fuel tank capacity in gallons and litres.
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| Trim | Engine Type | Gallons (US) | Gallons (UK) | Litres |
|---|---|---|---|---|
| quattro - Sedan(4.0L V8 Twin-turbo AWD 7-speed Automated Manual) | Gas | 19.8 | 16.5 | 75 |
Audi S6 2015