An investigation has been opened about Sahibinden Bilgi Teknolojileri Pazarlama ve Ticaret AŞ in order to determine whether the said undertaking violated article 6 of the Act no 4054 on the Protection of Competition.

The subject of the investigation is whether Sahibinden violated article 6 of the Act no 4054 on the Protection of Competition by means of using the user data it obtains in the markets for “online platform service for corporate members’ vehicle sales” and “online platform service for individual members’ vehicle sales” in the market for online secondhand vehicle purchase and sale services, and the power it obtains from high advertisement expenditures related to Otobid service as well as the parameters that lead to its dominant position.

Having discussed the information and documents acquired and observations made in the preliminary inquiry in its meeting on 16.01.2025, the Competition Board considered that the findings were significant and sufficient, and took the decision numbered 25-02/47-M that an investigation shall be opened about Sahibinden.

During the preliminary inquiry process, after Sahibinden’s data combination policies were examined, it was considered that Sahibinden’s combination of user data that it obtained within the scope of online platform service for corporate members’ vehicle sales and online platform service for individual members’ vehicle sales with its other services was a serious finding showing that there is an infringement of competition under article 6 of the Act no 4054.

Depending on the said consideration, in the meeting of the Board on 16.01.2025, the decision numbered 25-02/47-29 was taken according to article 9(4) of the Act no 4054, in order to prevent irreparable damages until the final decision is taken to impose interim measures so that

1. The displays related to Otobid service on Sahibinden’s home page will not be designed in a way to precede the option to give ads,
2. Directing individual users at the stage of giving ads will be prevented,
3. All the necessary organizational, operational, administrative and technical measures will be taken to prevent the use of all data/information including user and ad information/data obtained by means of online platform service for corporate members’ vehicle sales and online platform service for individual members’ vehicle sales in the market for online secondhand vehicle purchase and sale services.