DIET PEPSI® 1.75L Price at KFC (2026) — Wisconsin

A DIET PEPSI® 1.75L costs $4.99 at KFC in Wisconsin, United States (updated September 2026).

Based on the latest tracked prices, the DIET PEPSI® 1.75L from KFC costs $4.99 in the United States (September 2026). That's about 0% above the typical KFC drink item — the 2nd-cheapest of 3 we track. It's available at around 497 KFC locations across the United States. 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.

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