Diet Coke 500ml Price at Subway (2026)
A Diet Coke 500ml costs £2.69 at Subway in United Kingdom (updated August 2026).
Based on the latest tracked prices, the Diet Coke 500ml from Subway costs £2.69 in the United Kingdom (August 2026). That's about 2% above the average Subway drink item — the 7th-most-expensive of 20 we track. It's available at around 2 Subway locations across the United Kingdom. Prices are sourced from delivery platforms and refreshed regularly. Check the full Subway menu or compare drink prices on MenuPriceToday.
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Frequently asked questions
How much does Diet Coke 500ml cost at Subway in United Kingdom?
Diet Coke 500ml costs £2.69 at Subway in United Kingdom as of August 2026. Prices are sourced from Uber Eats and updated regularly on MenuPriceToday.
Where can I order Diet Coke 500ml in United Kingdom?
You can order Diet Coke 500ml from Subway via Uber Eats in United Kingdom. Compare prices on MenuPriceToday first so you never overpay.
How often are Subway prices updated?
We refresh Subway menu prices regularly from delivery platforms, so the Diet Coke 500ml price you see reflects the latest available data.