A device for processing data of a plurality of different products, e.g., motor vehicles, includes an electronic processing unit having a databank device, in which first and second product data of a first and a second product of the plurality of products are stored, and having a data interface for receiving inquiry data, and having an evaluation device which is designed to read out the first and second product data from the databank device as a response to the inquiry data, and to evaluate them according to an evaluation criterion, the evaluation criterion being automatically selected as a function of the first and/or the second product data.