The purpose of this study was to examine the influence of motivation, perceptions and attitudes of consumers on purchasing decisions for a Toyota Avanza. Sampling in this study using nonprobability sampling method with purposive sampling technique with a total of 100 respondents. This analysis technique uses multiple linear regression analysis, the coefficient of determination test, t test and f test. . t test results show that motivation has a significant effect on purchasing decisions, perceptions have a significant effect on purchasing decisions, consumer attitudes have a significant effect on purchasing decisions. The results of the f test show that simultaneously the variables of motivation, perceptions and attitudes of consumers have a significant effect on purchasing decisions.