Lexus Gx 2024 Mpg. Fuel economy we haven’t tested the gx yet, but the typical for the class of large suvs’ 17 mpg combined rating from the epa is just 1 mpg better than the previous version’s v8. Greg pajo | car and driver.
There are no official fuel mileage ratings listed on the epa’s website for either vehicle just yet, but lexus tells us the gx with the v6 gets 21 mpg on the. The 2024 lexus gx brings the suv into its third generation to replace the current iteration that dates all the way back to a debut for the 2010 model.