No. Diet Coke is sugar-free. RELATED LINKS How many kilojoules in a can of Coke? What happened to Coke Life? Do Coca-Cola Cans and Bottles Contain Bisphenol A (BPA)? The ingredients listed on packaging don’t appear to differ between Coke Zero and Coca-Cola No Sugar, what’s the difference then? Does Coca-Cola No Sugar contain preservatives?