Speedway Gas Prices in Aberdeen, SD

Speedway, now part of the 7-Eleven family, operates high-volume fuel stations primarily in the Midwest, Southeast, and East Coast markets. Speedway's scale and purchasing power allow it to consistently price below local market averages. The chain is known for its large-format convenience stores with extensive food and beverage options alongside competitive fuel pricing. The key differentiator for Speedway fuel is its proprietary additive package, specifically formulated to clean fuel injectors, intake valves, and combustion chambers.

Speedway typically prices above Costco's member-only rates. Costco fuel is consistently 15-25 cents below street prices from brands including Speedway. For membership holders, Costco is almost always the cheapest option.

Like most fuel brands, Speedway stations in Aberdeen adjust prices 1-3 times per week in response to wholesale cost changes. Prices typically move together across a brand's stations in a market area.

Most Speedway locations offer diesel fuel alongside regular and premium grades. Major Speedway stations in commercial and highway locations routinely stock diesel for trucks and commercial vehicles.