Medium Coca-Cola Price at McDonald's (2026) — Illinois

A Medium Coca-Cola costs $4.58 at McDonald's in Illinois, United States (updated October 2026).

Based on the latest tracked prices, the Medium Coca-Cola from McDonald's costs $4.58 in the United States (October 2026). That's about 7% above the typical McDonald's coffee item — the 1st-most-expensive of 8 we track. It's available at around 471 McDonald's 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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