This study aims to find out by testing or analyzing the effects of green marketing on brand image and its impact on purchasing decisions on Toyota Calya in Yogyakarta. The analysis used is descriptive analysis and path analysis. The number of samples taken in the study were as many as 130 respondents who had or had purchased Toyota Calya. The sampling technique using purposive sampling technique. The results obtained from this study indicate that green marketing has a significant effect on brand image. Brand image has a significant influence on purchasing decisions. Green marketing directly has a significant effect on purchasing decisions. Green marketing indirectly has a significant influence on purchasing decisions through brand image. Toyota Calya is expected to be more intensive in inviting its consumers to care about the natural environment, and for future researchers it is expected to expand their research to have more complex results