Windsor gas prices this week

In Windsor, regular averaged 180.2¢/L in Ontario's weekly fuel survey for the week of September 28; that is −0.8¢ from the week before. One year on from 134.5¢/L, Windsor is +45.7¢.

Windsor is a border city: Detroit is across the river, and Michigan prices are quoted per US gallon in US dollars, so compare with care. Over the past 52 surveys, Windsor averaged −0.2¢ against the Ontario average; in 2026 it was the province's cheapest market for zero weeks and its dearest for zero weeks. The sharpest weekly rise of 2026 in Windsor came in the survey of March 9: +19.5¢.

Windsor places 7th among 13 markets, +0.4¢ against Ontario as a whole (179.8¢/L). Five-year range for Windsor: 121.3¢/L at the bottom (December 22, 2025), 212.6¢/L at the top (June 6, 2022).

Diesel in Windsor runs 66.6¢/L above regular, at 246.8¢/L. Premium in Windsor averages 209.9¢/L (29.7¢/L over regular), and regular is −1.0¢ against 181.2¢/L four surveys ago.