Changing the mileage and pricing dropdowns in RD-Autos is as easy as 123. Normally you will see this in the frontend:
To change the mileage and pricing dropdowns you can go to the component configuration, navigate to the bottom of the page. You will see the values of the dropdown as below. Change the values accoring your needs. Pricing needs to be comma seperated and without any dots or something else. This is being done by the scripts.