Diet Coke Price at McDonald's (2026)

A Diet Coke at McDonald's in Ireland is priced at €4.2 as of September 2026.

Based on the latest tracked prices, the Diet Coke® from McDonald's costs €4.20 in Ireland (September 2026). It's available at around 73 McDonald's locations across Ireland. Prices are sourced from delivery platforms and refreshed regularly. Set a free alert to know the moment this price changes on MenuPriceToday.

Compare McDonald's prices across 20+ countries — Fast-Food Price Index →