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