As of 8 Sept 2026, the biggest grocery price gap in Australia for 7–13 Sept 2026 is Edgell Sliced Mushrooms in Butter Sauce — 78% cheaper per 1000g at Woolworths than Coles ($2.40/1000g vs $10.91/1000g).
Prices updated 8 Sept 2026
Biggest grocery price gaps — week 37, 2026
7–13 Sept 2026. The 10 grocery items with the widest per-unit gap between the cheapest supermarket in Australia and the next one. This week is still running, so the list updates with live prices and freezes on Sunday.
- 1
Edgell Sliced Mushrooms in Butter Sauce
$2.40/1000gat
Woolworthsvs $10.91/1000g at Coles$2.40 total · per 1000g
-78%View - 2
Rana Prosciutto Di Parma Tortellini
$2.22/100gat
Colesvs $9.00/100g at Woolworths$7.20 total · per 100g
-75%View - 3
-73%View - 4
-71%View - 5
-71%View - 6
Colgate Advanced Whitening Charcoal Toothpaste
$1.92/100gat
Woolworthsvs $6.11/100g at Coles$3.45 total · per 100g
-69%View - 7
-67%View - 8
-66%View - 9
Pain Away Original Relief Spray
$10.99/100mlat
Aldivs $27.95/100ml at Woolworths$10.99 total · per 100ml
-61%View - 10
-60%View
