This study aims to know which factors between macroeconomic variables that affecting the number of car sales in Indonesia. This study covers the time period from January 2011 to August 2017. The methods of this research include descriptive statistics and parametric statistic. The findings shows that exchange rate and interest rate establish negative relationship with the number of car sales in Indonesia, while gross domestic product establish positive relationship with number of car sales in Indonesia. The findings were consistent with previous findings done by other researcher.