Diet Coke 1.5L costs £4.49 at Subway in United Kingdom, as last recorded on 25 Oct 2026.
A Diet Coke 1.5L at Subway costs £4.49 in the United Kingdom as of October 2026. That's about 50% above the typical Subway drink item — the 3rd-most-expensive of 24 we track. It's available at around 2 Subway locations across the United Kingdom. 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
24 items tracked| This item | £4.49 |
| Drinks median | £2.99 |
| Cheapest — Robinsons Fruit Shoot Apple & Blackcurrent 200ml | £1.89 |
| Most expensive — Coca-Cola Zero Sugar 1.5L | £5.39 |
| vs Drinks median | +50% |
Compare Subway prices across countries — Fast-Food Price Index →
Prices last updated 25 Oct 2026.
Similar Subway items by price
Sources & method
Prices come from delivery-platform menus (mainly Uber Eats in United Kingdom) and are refreshed about weekly. They are indicative: delivery-platform prices can differ from in-store prices, and each item shows the date it was last recorded. See the methodology and the editorial policy.
MenuPriceToday is not affiliated with Subway. Prices are indicative and may vary by location.