2018 Lexus GS450H
The EPA rates the 2018 Lexus GS450H at 31 MPG combined (29 city / 34 highway).
At a glance
- Fuel economy
- 31 MPG combined
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Fuel economy
The EPA rates the 2018 Lexus GS450H at 31 MPG combined (29 city / 34 highway).