The 40-pump station, Costco's largest to date, will open in the spring of 2026. "Costco gas is wildly popular with members because of the cheaper prices,” said Neil Saunders, a retail analyst at ...

Costco’s fuel business is a significant driver of its bottom line. In 2024, fuel sales made up roughly 12% of the company’s total sales, a fact not lost on competitors like Walmart and Sam’s ...