Carbonated soft drink PEPSI ZERO SUGAR, 2 l or Sparkling soft drink SPRITE ZERO, 500 ml?

Energy 1 kcal 1 kcal
Fat — 0 g
of which saturates — 0 g
Carbohydrate — 0 g
of which sugars — 0 g
Protein — 0 g
Salt 0 g 0 g

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

Carbonated soft drink PEPSI ZERO SUGAR, 2 l
Carbonated soft drink PEPSI ZERO SUGAR, 2 l
1 kcal
2 l
Sparkling soft drink SPRITE ZERO, 500 ml
C
Sparkling soft drink SPRITE ZERO, 500 ml
1 kcal
Sat. fat 0 g Sugars 0 g
500 ml