The CVT does not have lean burn and will not get the same mileage as the 5 speed. To improve your mileage make sure your tires are well inflated. You might want to try 45 psi for a while and if that helps eventually move to 50 psi. The ride will be rougher but the mpg will be better. Going slower will help improve you mileage as well which is true in any car. Have fun, RIck