2024 Lexus Gx 550 Mpg. Lexus gx 550 drinks gas, but not when towing. Detailed specs and features for the 2024 lexus gx 550 luxury+ including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.
Use our handy tool to get estimated annual fuel costs based on your driving habits. I’m surprised we’re not seeing improved fuel economy with the move away from v8.