How much do things cost in Barcelona and Cardiff? Cardiff is 16% more expensive than Barcelona Cardiff Barcelona Coke/Pepsi (0.33 litre bottle)£0.98£1.36 Pack of Cigarettes (Marlboro)£6.50£3.83 1 Summer Dress in a Chain Store (Zara, H&M, ...)£40.00£22.12 Imported Beer (0.33 litre bottle)£2.63£0.96 Last updated on 03/03/2014 source