Both Guillermo and Pumpkin Spice Latte have different features, but its interesting to compare and see the difference between Guillermo and Pumpkin Spice Latte. Here, you will get to know the difference between Guillermo and Pumpkin Spice Latte in accordance with their caffeine content, probable side effects and many more interesting facts like Guillermo Benefits and Pumpkin Spice Latte Benefits in the upcoming sections.