Diesel prices in Saint-Constant
Prices updated Oct 31, 2026 at 2:55 a.m. (1 min ago)
Average price
289.9¢/L
+0.4% vs region
Cheapest
289.9¢/L
Sonic
Most expensive
289.9¢/L
Stations
4
Diesel
A 50 L fill-up of diesel at the cheapest station instead of the average price: you save $0.00.
cheaper average more expensive
All stations, cheapest first
| # | Station | Diesel | Votes |
|---|---|---|---|
| 1 | Sonic
107 rue Saint-Pierre, suite 200 |
289.9¢/L 0.0% |
|
| 2 | Esso
3 rue Monchamp |
289.9¢/L 0.0% |
|
| 3 | Ultramar
46 rue Saint-Pierre |
289.9¢/L 0.0% |
|
| 4 | Couche-Tard
71 rue Saint-Pierre |
289.9¢/L 0.0% |
Frequently asked questions
What is the cheapest gas station in Saint-Constant today?
Today, the lowest diesel price in Saint-Constant is at Sonic (107 rue Saint-Pierre, suite 200) in Saint-Constant: 289.9¢ per litre.
How much is a litre of diesel in Saint-Constant?
The average diesel price today in Saint-Constant is 289.9¢ per litre, with a low of 289.9¢ and a high of 289.9¢ across 4 stations, 0.4% more than the average in the region (Montérégie).
How much can I save by filling up at the cheapest station in Saint-Constant?
For a 50-litre fill-up, about $0.00 compared with the average price.