The 2025 Audi S6 is available in multiple trims, each with its own estimated fuel economy, here are the EPA estimates for each trim:

1. Premium: 19 MPG City and 27 MPG Highway
2. Premium Plus: 19 MPG City and 27 MPG Highway
3. Prestige: 19 MPG City and 27 MPG Highway

It is important to remember factors such as driving style, weather conditions, and the use of features such as Eco mode can impact fuel efficiency.

The Audi S6 received a rating of 2 out of 5 stars from RepairPal, which RepairPal describes as Below Average. This rating ranks the Audi S6 as 42​​ out of 48​​ among Luxury Fullsize Car

Here is what's new for the 2025 Audi S6:

• Automated Parking
• Rear View Camera