As of 23 Sept 2026, the biggest grocery price gap in Australia for 21–27 Sept 2026 is Glen 20 Crisp Linen Disinfectant Spray — 60% cheaper per 100g at Coles than Woolworths ($1.67/100g vs $4.14/100g).
Prices updated 23 Sept 2026
Biggest grocery price gaps — week 39, 2026
21–27 Sept 2026. The 10 grocery items with the widest per-unit gap between the cheapest supermarket in Australia and the next one. This week's list is frozen as it stood at the end of the week.
- 1
−60%cheaper
