Premium gas prices in Thetford Mines
Prices updated Oct 31, 2026 at 1:10 a.m. (2 min ago)
Average price
212.5¢/L
+0.5% vs region
Cheapest
207.9¢/L
Sonic
Most expensive
219.2¢/L
Stations
13
Premium gas
A 50 L fill-up of premium gas at the cheapest station instead of the average price: you save $2.28.
cheaper average more expensive
All stations, cheapest first
| # | Station | Premium | Votes |
|---|---|---|---|
| 1 | Sonic
989 boul. Frontenac ouest |
207.9¢/L -2.1% |
|
| 2 | Shell
390 rue Saint-Alphonse sud |
210.9¢/L -0.7% |
|
| 3 | Shell
4200 boul. Frontenac ouest |
210.9¢/L -0.7% |
|
| 4 | Shell
508 boul. Frontenac ouest |
210.9¢/L -0.7% |
|
| 5 | Esso
111 boul. Frontenac est |
211.9¢/L -0.3% |
|
| 6 | Esso
2274 rue Notre-Dame est |
211.9¢/L -0.3% |
|
| 7 | Harnois
6108 rue Frontenac est |
211.9¢/L -0.3% |
|
| 8 | Ultramar
30 rue 9 nord |
212.9¢/L +0.2% |
|
| 9 | Irving
505 boul. Frontenac ouest |
212.9¢/L +0.2% |
|
| 10 | Ultramar
696 boul. Frontenac est |
212.9¢/L +0.2% |
|
| 11 | Ultramar
9 rue Saint-Alphonse nord |
212.9¢/L +0.2% |
|
| 12 | Esso
4195 boul. Frontenac ouest |
214.9¢/L +1.1% |
|
| 13 | Petro-Canada
37 rue 1 ouest |
219.2¢/L +3.2% |
Frequently asked questions
What is the cheapest gas station in Thetford Mines today?
Today, the lowest premium gas price in Thetford Mines is at Sonic (989 boul. Frontenac ouest) in Thetford Mines: 207.9¢ per litre.
How much is a litre of premium gas in Thetford Mines?
The average premium gas price today in Thetford Mines is 212.5¢ per litre, with a low of 207.9¢ and a high of 219.2¢ across 13 stations, 0.5% more than the average in the region (Chaudière-Appalaches).
How much can I save by filling up at the cheapest station in Thetford Mines?
For a 50-litre fill-up, about $2.28 compared with the average price.
Which gas brand is the cheapest on average in Thetford Mines?
Among brands with at least 3 stations, the cheapest on average is Shell (210.9¢), followed by Esso (212.9¢). The most expensive on average is Ultramar (212.9¢). A single station can be cheaper than its brand’s average: see the station ranking.