Costco Gas Prices in Oshawa, ON

Oshawa, Ontario has 2 Costco fuel centers serving members in the area. Across Oshawa, regular gas averages 157.4¢ and premium runs about 27.5¢ higher at 184.9¢. That's about 6.8¢ below the Ontario provincewide average of 164.2¢. Within Oshawa, Costco N Oshawa posts the lowest regular at 154.9¢ and Oshawa the highest at 159.9¢ — a 5.0¢ spread worth checking before you fuel up. Across Oshawa, regular pump prices have eased about 10.5¢ over the past month, from 167.9¢ a month ago. Premium has eased about 10.5¢ over the same period. None of the Oshawa Costco fuel centers currently sell diesel.