Premium gas prices in Beauharnois
Prices updated Oct 31, 2026 at 2:05 a.m. (1 min ago)
Average price
203.4¢/L
-1.8% vs region
Cheapest
199.9¢/L
Sonic
Most expensive
205.9¢/L
Stations
4
Premium gas
A 50 L fill-up of premium gas at the cheapest station instead of the average price: you save $1.75.
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All stations, cheapest first
Frequently asked questions
What is the cheapest gas station in Beauharnois today?
Today, the lowest premium gas price in Beauharnois is at Sonic (671 rue Ellice) in Beauharnois: 199.9¢ per litre.
How much is a litre of premium gas in Beauharnois?
The average premium gas price today in Beauharnois is 203.4¢ per litre, with a low of 199.9¢ and a high of 205.9¢ across 4 stations, 1.8% less than the average in the region (Montérégie).
How much can I save by filling up at the cheapest station in Beauharnois?
For a 50-litre fill-up, about $1.75 compared with the average price.