This research is about The Influence of Advertising and Sales Promotion on Sales Volume, it is conducted at PT Wahana Sun Motor Semarang Branch Puri Anjasmoro located at Jalan Madukoro No. 4-5, Tawangsari, Semarang Barat. The purpose of this research is to find out how big the influence of advertising and sales promotion on sales volume. Source of data used are secondary data from the company within the last 6 years, from 2013 until 2016. The methods of data collection are documentary, literature review, and interview. The analysis technique used are the multiple regression analysis, t test, f test and the coefficient determination testing. T test result of advertising variable show that tcount (5,451) > ttable (2,776 ) or significance value (0,012) < level of significance (0,025). it means there is a significance influence between advertising on sales volume. T test result of sales promotion variable show that tcount (2,036) < ttable (2,776) or significance value (0,135) > level of significance (0,025). it means there is no significance influence between sales promotion on sales volume. F test result show that of tcount (19,659) > ttable (16,044) or significance value (0,019) < level of significance (0,025). it means there is a significance influence between advertising and sales promotion on sales volume. The result of the coefficient determination is 88.2% and the remaining 11.8% is influenced by other factors which are not observed in this research.