Doppio 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 Doppio and Mazagran's differentiating factor?In following section we will take a close look at what is Doppio and Mazagran color, serving style, types and much more. First thing to know is what are the different types of Doppio and Mazagran. Well, Doppio types include Espresso while types of Mazagran are Espresso, Iced Coffee, rum.