As of 20 Sept 2026, the biggest grocery price gap in Australia for 21–27 Sept 2026 is Swisse Vitamin K2 — 75% cheaper per 100 ea at Coles than Woolworths ($25.00/100 ea vs $98.33/100 ea).

Prices updated 20 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 is still running, so the list updates with live prices and freezes on Sunday.

1
Swisse Vitamin K2
$25.00/100 eaatColesvs $98.33/100 ea at Woolworths
$7.50 total · per 100 ea
-75%View
2
Fanta Orange Zero Sugar Soft Drink
$1.80/1LatColesvs $7.00/1L at Woolworths
$2.25 total · per 1L
-74%View
3
Clearblue Pregnancy Test
$8.50/1 eaatColesvs $30.00/1 ea at Woolworths
$25.50 total · per 1 ea
-72%View
4
Gillette Venus Sensitive Razor
$2.00/1 eaatColesvs $7.00/1 ea at Woolworths
$8.00 total · per 1 ea
-71%View
5
Spencers Thyme Herb20g
$0.95/10gatColesvs $3.30/10g at Woolworths
$1.90 total · per 10g
-71%View
6
Nature's Way Kids Gummies Probiotic Prebiotic
$17.78/100 eaatColesvs $58.89/100 ea at Woolworths
$16.00 total · per 100 ea
-70%View
7
Twinings Vanilla Chai Tea
$0.08/1 eaatColesvs $0.27/1 ea at Woolworths
$6.75 total · per 1 ea
-70%View
8
Campbell's Real Chicken Stock
$0.40/100mlatColesvs $1.28/100ml at Woolworths
$2.00 total · per 100ml
-69%View
9
Colgate Advanced Whitening Charcoal Toothpaste
$1.92/100gatWoolworthsvs $6.11/100g at Coles
$3.45 total · per 100g
-69%View
10
Gillette Venus Sensitive Blades
$1.94/1 eaatColesvs $6.25/1 ea at Woolworths
$15.50 total · per 1 ea
-69%View