Advertising has the potential to affect consumers’ perceptions of products. Consumer evaluations of price and quality are based on the satisfaction offered by products, which also incorporate the values that advertising can add to these evaluations. In this way, advertising contributes to the final perception of product quality, which impacts purchase intentions and the price the consumer would be willing to pay in conjunction with perceived quality. To establish the potential effect of advertising on the subjective assessment of quality and price, 100 consumers tasted the same product under two conditions: in the absence of advertising and in the presence of ads alluding to benefits attributable to the product. This research was conducted under the logic of a within-subject experimental organoleptic test, and sought to determine how much the assessment of quality, price, and purchase intention for the same product varied, considering the variable presence of advertising. The results show that advertising has a positive effect on quality assessment and purchase intention. Furthermore, when a product is accompanied by advertising, consumers are willing to pay a higher price. The conclusion is that advertising does constitute a marketing factor that impacts consumers’ perceptions of product quality and purchase intention.