Coca Cola Diet Coke — 500ml
As of 8 Oct 2026, Coca Cola Diet Coke 500ml is cheapest at Aldi UK at £1.85 (£0.37/100 ml) in United Kingdom — about 4% below the 2-retailer average of £1.93.
Prices updated 8 Oct 2026
Lowest recorded price: £0.70 at Morrisons (1 Oct); highest: £5.99 — currently £1.85 at Aldi UK. Tracked since Jul 2026.
Showing prices and history for this variant plus 5 sibling variations — the same product and flavour across pack sizes, with unit prices keeping different sizes comparable. Lowest and highest values match the extension's price-history panel.
Price History
Price over timeLoading price history…
Price
| Retailer | Brand | Size | Price | Unit Price | In Stock | Updated |
|---|---|---|---|---|---|---|
 Aldi UK | Coca Cola | 5,940ml | £5.99 | £0.10/100mlBest | In stock | 8 Oct |
| Aldi UK | Coca Cola | 500ml | £1.85 | £0.37/100ml | In stock | 8 Oct |
 Morrisons | Coca Cola | 500ml | £2.00 | — | In stock | 8 Oct |
| Aldi UK | Coca Cola | 2L | £2.25 | — | In stock | 8 Oct |
| Aldi UK | Coca Cola | 2.64L | £3.99 | — | In stock | 8 Oct |
| Morrisons | Coca Cola | 150ml | £0.70 | — | In stock | 1 Octout of date · not compared |
| Morrisons | Coca Cola | 4 x 250ml | £4.80 | — | In stock | 1 Octout of date · not compared |
Aldi UKIn stock£5.99£0.10/100mlBest
Coca Cola · 5,940ml
Aldi UKIn stock£1.85£0.37/100ml
Coca Cola · 500ml
MorrisonsIn stock£2.00
Coca Cola · 500ml
Aldi UKIn stock£2.25
Coca Cola · 2L
Aldi UKIn stock£3.99
Coca Cola · 2.64L
MorrisonsIn stock£0.70
Coca Cola · 150ml
MorrisonsIn stock£4.80
Coca Cola · 4 x 250ml
Cheapest (overall)
Cheapest by brand
Ranked per 100 ml at each item's cheapest store
Cheapest by product
Ranked per 100 ml at each item's cheapest store
1 brand available
Aldi UKMorrisonsUpdating prices — showing the previous selection until the new prices arrive.
Prices shown are indicative and may vary by store location. Confirm pricing at checkout.
Which store is cheaper?
Frequently asked questions
- Where is Coca Cola Diet Coke 500ml cheapest?
- Aldi UK has the lowest price at £1.85 (£0.37/100 ml).
- How much does Coca Cola Diet Coke 500ml cost?
- Prices range from £1.85 to £2.00 across 2 UK supermarkets. The average price is £1.93.
- What is the unit price of Coca Cola Diet Coke 500ml?
- Priced per 100ml. Aldi UK offers the best value at £0.37/100ml.
- Which supermarkets sell Coca Cola Diet Coke 500ml?
- Coca Cola Diet Coke 500ml is available at Aldi UK and Morrisons.
- What is the lowest price ever for Coca Cola Diet Coke 500ml?
- The lowest price CartSorted has recorded for Coca Cola Diet Coke 500ml is £0.70 at Morrisons (1 Oct), since we began tracking in Jul 2026. The current cheapest price is £1.85 at Aldi UK.