2018 Audi S8
The EPA rates the 2018 Audi S8 at 18 MPG combined (14 city / 24 highway).
At a glance
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Recalls
The 2018 Audi S8 is affected by 1 safety recall campaign in NHTSA's records.
Fuel economy
The EPA rates the 2018 Audi S8 at 18 MPG combined (14 city / 24 highway).