2018 Audi S4
The EPA rates the 2018 Audi S4 at 24 MPG combined (21 city / 30 highway).
At a glance
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Recalls
The 2018 Audi S4 is affected by 2 safety recall campaigns in NHTSA's records.
Fuel economy
The EPA rates the 2018 Audi S4 at 24 MPG combined (21 city / 30 highway).