Medium Diet Coke Price at McDonald's (2026) — New South Wales

A Medium Diet Coke costs A$6.40 at McDonald's in New South Wales, Australia (price last updated October 2026).

A Medium Diet Coke® at McDonald's costs A$6.40 in Australia as of November 2026. It's available at around 25 McDonald's locations across Australia. Prices are sourced from delivery platforms and refreshed regularly. Check the full McDonald's menu or compare drink prices on MenuPriceToday.

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