Diet Coke Price at McDonald's (2026) — Oklahoma

A Diet Coke costs $1.99 at McDonald's in Oklahoma, United States (price last updated November 2026).

Based on the latest tracked prices, the Diet Coke® from McDonald's costs $1.99 in the United States (November 2026). It's available at around 471 McDonald's locations across the United States. Prices are sourced from delivery platforms and refreshed regularly. Set a free alert to know the moment this price changes on MenuPriceToday.

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