Burger King's Diet Coke and BBQ Bacon King are two popular menu items that cater to different tastes. Diet Coke, a classic soft drink, is a zero-calorie beverage, making it a popular choice for those watching their calorie intake. On the other hand, BBQ Bacon King is a savory sandwich featuring a quarter pound beef patty topped with BBQ sauce, bacon, onions, and American cheese, offering a rich, flavorful experience. Both items are staples in Burger King's menu, each appealing to different preferences for sweet and savory cravings.