This study aims to validate the influence of Aristotle's rhetorical triangle—ethos, pathos, and logos—to the behavior of Saudi Arabian consumers, focusing particularly on consumer product. Quantitative and qualitative methods including descriptive research design were used. Two hundred respondents participated in the study. Results shows that age has impact to influence respondent's preference of Aristotle's rhetorical appeals. However, educational attainment has no influence on respondents' behavior towards Aristotle's rhetorical appeals. Fifty-seven percent of the respondents perceived ethos appeal as the most effective appeal of persuasion. This finding could be due to culture, since Saudis valued trust and credibility. Entities that might be affected directly or indirectly of the findings will give them an idea on how to reach and persuade the target audiences. The classical Aristotle's rhetorical triangle is the ancient art of persuasion still remains useful and applicable for the communication.