Look at own brands and Lidl and Aldi are still the cheapest.
Test Aankoop’s Simon November explains that Colruyt prices vary according to the area. They have a lowest price guarantee and set their prices in comparison with their cheapest rival, often Albert Heijn. Colruyts are cheapest near an Albert Heijn. Colruyt prices can vary up to 5% depending on the locality.
According to Test Aankoop Carrefour Hypermarkets are 12% more expensive than the cheapest Colruyt located near an Albert Heijn. When there is no competition from Albert Heijn the difference is 7%.
Delhaize and Makro are 17% more expensive than the cheapest Colruyt. Match is 28% more expensive.
Aldi and Lidl don’t occur in this comparison because they don’t sell many big brands. In a comparison of own brands Lidl is the cheapest followed by Aldi. Colruyt shops near Albert Heijn are 22% more expensive than Lidl, Carrefour Hypermarkets are 39% dearer, while the figure for Delhaize is 52% more expensive than Lidl.