It sure does! 3.9 grams of sugar are in 500 ml. Of Powerade. Glucose and fructose are sugars, and they're at the top of the ingredients list.
Water, Glucose, Fructose, Citric Acid, Mineral Salts (Sodium Chloride, Magnesium Chloride, Calcium Chloride, Potassium Phosphate), Fruit and Vegetable Concentrates (Chokeberry, Elderberry, Sweet Purple Potato, Safflower, Radish), Acidity Regulator (Potassium Citrate), Flavourings, Stabilisers (Acacia Gum, Glycerol Esters of Wood Rosins), Sweeteners (Sucralose, Acesulfame K), Anti-foaming Agent (E900).