Diet Pepsi 1.5 L Bottle Price at KFC (2026)
A Diet Pepsi 1.5 L Bottle costs £3.49 at KFC in United Kingdom (updated August 2026).
A Diet Pepsi 1.5 L Bottle at KFC costs £3.49 in the United Kingdom as of August 2026. That's about 14% above the average KFC drink item — the 3rd-most-expensive of 14 we track. It's available at around 624 KFC locations across the United Kingdom. Prices are sourced from delivery platforms and refreshed regularly. See how it stacks up across other chains, and track its price for free, on MenuPriceToday.
How this compares in Drinks
14 items tracked| This item | £3.49 |
| Drinks median | £3.33 |
| Cheapest — Pepsi MAX Can | £1.99 |
| Most expensive — Sweet Tea | £4.75 |
| vs Drinks median | +5% |
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