As of 25 Oct 2026, the biggest grocery price gap in the UK for 26 Oct – 1 Nov 2026 is Dairylea Light Cheese Slices x8 — 34% cheaper per kg at Sainsbury's than Tesco (£8.34/kg vs £12.67/kg).
Prices updated 25 Oct 2026
Biggest grocery price gaps — week 44, 2026
26 Oct – 1 Nov 2026. The 1 grocery items with the widest per-unit gap between the cheapest supermarket in the UK and the next one. This week is still running, so the list updates with live prices and freezes on Sunday.
- 1
−34%cheaper
