1, different ingredients: Pepsi Diet Coke contains some sugar, while Pepsi Diet Coke does not contain sugar.

2. The prices are different: Pepsi Light is priced in 3 yuan, while Pepsi Sugar Free is priced in 3.5 yuan. PepsiCo PepsiCo is a beverage and snack food company. It has 6.5438+0.4 million employees in more than 200 countries and regions around the world, and its sales revenue in 2004 was $29.3 billion, making it the fourth largest food and beverage company in the world.