Depending on where you live in Canada the spread from regular to premium gasoline in the wholesale price for gas stations ranges between 6 and 11 cents a litre. However many stations charge a difference of 32 cents a litre between the two blends. The wider difference commonly seen in pump’s prices between regular and premium, is the markup gas stations charge minus GST/HST and the wholesale price difference. For a more complete explanation see:
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Gas prices in Canada can fluctuate throughout the day, and in some areas, they tend to be cheaper at night. This is often due to lower demand during nighttime hours compared to the morning and daytime, when more people are commuting and filling up their tanks. Gas stations may adjust their prices to attract customers during quieter periods.
However, this pattern isn’t universal and can vary depending on the region, the gas station’s pricing strategy, and external factors like market trends or supply chain dynamics.