2025 Gx 550 Mpg 2025. Edmunds also has lexus gx pricing, mpg, specs, pictures, safety features, consumer reviews and more. Use our handy tool to get estimated annual fuel costs based on your driving habits.

Lexus says the new model will have a combined rating of 17 mpg, up from 16 mpg in the 460. Now, after 15 years, the gx is back.