2024 Rx 350 Mpg. Just got our new rx350h, and got 41.5 avg mpg on my commute! View detailed gas mileage data for the 2024 lexus rx.
The epa’s data shows that the most efficient rx model is the rx350h, which carries claimed ratings of 37 mpg city and 34 mpg highway. In the city, the 2024 rx 350 gas mileage is from 21 to 37 miles per gallon, depending on the trim.