Gas prices in Montmagny · Ultramar
Prices updated Oct 31, 2026 at 3:45 p.m. (3 min ago)
Average price
185.4¢/L
-0.3% vs region
Cheapest
185.4¢/L
Ultramar
Most expensive
185.4¢/L
Stations
2
Regular gas
A 50 L fill-up of regular gas at the cheapest station instead of the average price: you save $0.00.
cheaper average more expensive