How much do things cost in Dublin and Newcastle? Newcastle is 13% cheaper than Dublin Newcastle Dublin Small bottle of water (0.33 litre)£0.81£0.97 Petrol (1 litre)£1.37£1.25 1 mile taxi journey£1.67£1.31 Pair of Nike trainers£49.80£64.26 Last updated on 21/07/2014 source