DAT Deutsche Automobil Treuhand GmbH is an institute for automobile market research and observation. The website reports on current trends and the development within the automotive industry. The DAT-Infodienst is a monthly trade newsletter with information about the motor industry, automotive engineering and consumer research. The DAT-Report contains market and consumer research results of the yearly survey of the GfK Markforschung GmbH in the automotive industry. It is published once a year as special editions of the trade magazines kfz-betrieb and AUTOHAUS.