2025 Audi S4
The EPA rates the 2025 Audi S4 at 24 MPG combined (20 city / 29 highway).
At a glance
- Fuel economy
- 24 MPG combined
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Fuel economy
The EPA rates the 2025 Audi S4 at 24 MPG combined (20 city / 29 highway).