Carbonated drink PEPSI, 2 l or Sparkling drink PEPSI, 500 ml?

Energy 28 kcal 18 kcal
Fat 0 g 0 g
of which saturates 0 g 0 g
Carbohydrate 7 g 4,6 g
of which sugars 7 g 4,6 g
Protein 0 g 0 g
Salt 0 g 0 g

Figures from the product labels. Green is the better value.

Carbonated drink PEPSI, 2 l
E
Carbonated drink PEPSI, 2 l
28 kcal Fat 0 g Carbs 7 g Prot. 0 g
Sat. fat 0 g Sugars 7 g
2 l
Sparkling drink PEPSI, 500 ml
D
Sparkling drink PEPSI, 500 ml
18 kcal Fat 0 g Carbs 4,6 g Prot. 0 g
Sat. fat 0 g Sugars 4,6 g
500 ml