Diet Coke Soft Drink — Standard
As of 1 Oct 2026, Diet Coke Soft Drink Standard is cheapest at Sainsbury's at £0.70 (£4.67/1 L) in United Kingdom — about 84% below the 2-retailer average of £4.30.
Prices updated 1 Oct 2026
Lowest recorded price: £0.70 at Sainsbury's (1 Oct); highest: £7.90 — currently £0.70 at Sainsbury's. Tracked since Oct 2026.
Showing prices and history for this exact variant. Other brands and sizes appear on the broader product category page.
Price History
Price over time- Lowest
- £0.70
- Average
- £0.70
- Highest
- £0.70
At the average price
5 prices recorded · 2 changes shown
Prices shown are from online listings and may differ in-store, especially for fresh items.
Price
Cheapest (compared)
Cheapest (overall)
Cheapest by brand
Ranked per 1 L at each item's cheapest store
Cheapest by product
Ranked per 1 L at each item's cheapest store
1 brand available
Sainsbury's
TescoPrices shown are indicative and may vary by store location. Confirm pricing at checkout.
Which store is cheaper?
Frequently asked questions
- Where is Diet Coke Soft Drink Standard cheapest?
- Sainsbury's has the lowest price at £0.70 (£4.67/1 L).
- How much does Diet Coke Soft Drink Standard cost?
- Prices range from £0.70 to £7.90 across 2 UK supermarkets. The average price is £4.30.
- What is the unit price of Diet Coke Soft Drink Standard?
- Priced per 100ml. Tesco offers the best value at £0.16/100ml.
- Which supermarkets sell Diet Coke Soft Drink Standard?
- Diet Coke Soft Drink Standard is available at Tesco and Sainsbury's.
- What is the lowest price ever for Diet Coke Soft Drink Standard?
- The lowest price OpenOrder has recorded for Diet Coke Soft Drink Standard is £0.70 at Sainsbury's (1 Oct), since we began tracking in Oct 2026. The current cheapest price is £0.70 at Sainsbury's.