2017 Lexus IS 300
The EPA rates the 2017 Lexus IS 300 at 21 MPG combined (19 city / 26 highway).
At a glance
- Fuel economy
- 21 MPG combined
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Fuel economy
The EPA rates the 2017 Lexus IS 300 at 21 MPG combined (19 city / 26 highway).