Abstract: The method for managing the rental of vehicles (1), comprising at least one step of collecting at least one point of data relating to the vehicle (1), one step of transferring said data to a rental vehicle management center (4), and one step of sending at least one instruction from the management center (4) to the vehicle, characterized in that it also comprises at least one step of collecting and sending at least one point of data relating to the user of the vehicle (1) to the management center (4) and one step of sending the user a final updated rate according to the data received by the management center (4). The invention also relates to a device for implementing the invention.