As of 30 Oct 2026, the biggest grocery price gap in the UK for 2–8 Nov 2026 is Sainsbury's Leeks — 27% cheaper per kg at Sainsbury's than Asda (£1.90/kg vs £2.60/kg).
Prices updated 30 Oct 2026
Biggest grocery price gaps — week 45, 2026
2–8 Nov 2026. The 3 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
−27%cheaper - 2
−26%cheaper - 3
−25%cheaper
