Companies benefit from the opportunities of technology in creating brand equity and with its social media applications.it creates brand equity for the target audience. Social media ads create brand attitudes, and are sometimes used in creating perceived quality, awareness, awareness and brand loyalty towards the brand. In this context, the main purpose of the study is to reveal the role of social media advertising in creating brand equity of car brands which have high interest. Within the scope of brand equity, brand loyalty, perceived quality, brand awareness and brand recognition level of social media ads it is aimed to reveal the relationship between the liking level. In this study, 953 automobile users living in the provinces of Diyarbakır, Urfa, Antep, Batman, Siirt, Elazığ and Gaziantep of the East and South east were selected as the sample. In the study, it was found that there was a significant relationship between the frequency of social media usage and brand and advertising attitude, and the level of encounter with automobile advertising on social media and brand attitude. In the research, it was determined that the attitude towards automobile advertisements in social media played a significant role in brand awareness, brand loyalty, brand awareness. However, it was not determinant in perceived quality and again, attitude towards brand in advertising played a positive role on brand loyalty, perceived quality, brand awareness and awareness. On the other hand, while the meaningful relationship between brand awareness and brand loyalty and purchase intention was determined, it was found that brand awareness and perceived quality had no role on purchasing intention.