Guillermo and Mazagran are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Guillermo and Mazagran's differentiating factor?In following section we will take a close look at what is Guillermo and Mazagran color, serving style, types and much more. First thing to know is what are the different types of Guillermo and Mazagran. Well, Guillermo types include Espresso while types of Mazagran are Espresso, Iced Coffee, rum.