Diet Coke 500 ml Price at Subway (2026)
A Diet Coke 500 ml costs €3.15 at Subway in Ireland (updated August 2026).
Based on the latest tracked prices, the Diet Coke 500 ml from Subway costs €3.15 in Ireland (August 2026). That's about 2% below the average Subway drink item — the 7th-cheapest of 14 we track. It's available at around 5 Subway 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.
How this compares in Drinks
14 items tracked| This item | €3.15 |
| Drinks median | €3.15 |
| Cheapest — Robinsons Fruit Shoot Apple & Blackcurrent 200ml | €2.75 |
| Most expensive — Costa RTD Latte 250 ml | €4.05 |
| vs Drinks median | 0% |
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