Muhammad Amanullah — September 17, 2026
Gas prices in Canada’s Greater Toronto Area (GTA) are set to rise again, with prices at most stations expected to reach 189.9 cents per litre on Thursday.
According to the latest forecast, gasoline prices are expected to increase by 6 cents per litre, adding to the sharp fluctuations seen in fuel prices across the region this month.
Major Increase in Gas Prices
The expected increase will push gasoline prices in the GTA to their highest level in several weeks.
Petroleum market analysts say fluctuations in global crude oil prices, refinery production and seasonal demand are among the factors influencing recent changes in gasoline prices.
Even a relatively small increase can have a direct impact on the budgets of people who rely on their vehicles every day. Those travelling longer distances and businesses that depend on transportation may also face higher operating costs.
Diesel Prices Also Set to Rise
Diesel users are expected to face an even larger increase.
Diesel prices in the GTA are forecast to rise by 11 cents per litre, potentially reaching 264.9 cents per litre.
Higher diesel prices can affect more than vehicle owners. The transportation and freight industries are particularly sensitive to diesel costs because trucks and other heavy vehicles rely heavily on the fuel.
An increase in fuel costs can raise transportation and delivery expenses, potentially adding to the overall cost of moving goods.
Fuel Prices Have Been Volatile in September
Gasoline prices in the GTA have changed significantly throughout September.
At one point this month, prices reached 187.9 cents per litre, before falling by 8 cents the following day.
The decline, however, did not last long. Gas prices subsequently increased by another 7 cents per litre.
The latest forecast points to another 6-cent increase on Thursday, potentially taking the price to 189.9 cents per litre.
Impact of Global Oil Markets
Local gasoline prices are closely linked to developments in global oil markets.
When crude oil prices rise, pressure can also increase on refineries and supply chains, eventually affecting the prices paid by consumers at the pump.
Seasonal demand is another factor that can influence gasoline prices. Changes in travel patterns and vehicle use can increase demand for fuel at different times, putting additional pressure on prices.
Highest Level in Several Weeks
If the forecast is accurate, the expected price of 189.9 cents per litre on Thursday would represent the highest level seen in the GTA in several weeks.
Earlier this year, gasoline prices in Ottawa reached 192.9 cents per litre in May.
The recent fluctuations highlight the uncertainty faced by Canadian consumers as fuel prices move sharply from one day to the next. Sudden increases following short-term declines can make it more difficult for households to plan their monthly transportation budgets.
Broader Impact of Higher Fuel Costs
Higher gasoline prices can increase travel costs for consumers while also creating additional challenges for businesses.
People who drive every day for work, education or other essential activities may see their monthly expenses rise as fuel prices increase.
Meanwhile, higher diesel prices can affect freight and transportation costs, potentially making the movement of goods more expensive.
With gasoline and diesel prices rising again in the GTA, consumers are once more facing increased pressure on their budgets.
Global crude oil prices, refinery production, supply and demand, and seasonal market conditions are expected to remain important factors in determining fuel prices in the coming days.
