2024 Gx550 Mpg. 2024 lexus gx550 overtrail+ first test: Lexus says the new model will have a combined rating of 17 mpg, up from 16 mpg in the 460.
Off road, on road, in water! The new gx 550 is rated at 15 city mpg, 21 highway mpg, and 17 mpg in mixed driving.