Medium Diet Coke Price at McDonald's (2026)
A Medium Diet Coke at McDonald's in United Kingdom is priced at £2.59 as of October 2026.
A Medium Diet Coke® at McDonald's costs £2.59 in the United Kingdom as of October 2026. That's about 5% below the typical McDonald's drink item — the 5th-cheapest of 15 we track. It has 1 calories. It's available at around 41 McDonald's locations across the United Kingdom. Prices are sourced from delivery platforms and refreshed regularly. Check the full McDonald's menu or compare drink prices on MenuPriceToday.
How this compares in Drinks
15 items tracked| This item | £2.59 |
| Drinks median | £2.74 |
| Cheapest — Organic Semi Skimmed Milk | £1.99 |
| Most expensive — Regular Mango & Pineapple Smoothie | £3.79 |
| vs Drinks median | −5% |
Nutrition
1calories
0%
Daily Value
% DV = % of daily value based on a 2,000 kcal diet. Nutrition data from McDonald's's official information. For informational purposes only.
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