2025 Gx 550 Luxury Mpg. The other issue is fuel economy. 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 highway.
It also boasts a maximum towing capacity of 9,096 pounds. Detailed specs and features for the 2025 lexus gx 550 premium+ including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain.