Short Answer: While Speedway’s parent company, Marathon Oil Corporation, is a TOP TIER licensed retailer, Speedway gas stations are not reported to provide TOP TIER gasoline. However, the company claims that its gas meets all federal regulations.
Is Speedway TOP TIER Gas? Speedway Gas Quality Reviewed
However, despite some conflicting reports, Speedway is not a licensed TOP TIER gasoline retailer, and its fuel is not labeled as TOP TIER on the Speedway company website or on Marathon’s website (which does mention that Marathon and ARCO have TOP TIER gas).
Marathon provides Speedway’s gasoline, but it is a different formulation than what is supplied to Marathon and ARCO gas stations. We spoke with Speedway customer service representatives who also told us that if Marathon is unable to supply Speedway with fuel, the company is able to use third-party suppliers.
On the Speedway website, the company simply states that all grades of its fuel are compliant with all local, state, and federal regulations. Speedway claims that its top priority is to “consistently offer quality fuel at competitive prices without sacrificing standards.”
Another factor that contributes to fuel quality is gas station maintenance, and Speedway has transparent instructions and policies regarding the safety procedures at its gas stations. Its safety data sheets are even available to the public on the Speedway website.
What is TOP TIER Gasoline?
According to the TOP TIER website, the specially formulated gasoline was introduced in 2004 by a group of auto manufacturers who wanted to create fuel that would improve the performance of their cars.
Through the addition of certain blends of detergents that amount to three times more than what is required by the Environmental Protection Agency (EPA), TOP TIER gas prevents the accumulation of deposits that can harm your engine. This is supported by a study conducted by the American Automobile Association (AAA), as reported by Consumer Reports.
The study found the difference to be so dramatic that the consumer advocacy organization said, “We think the EPA should consider raising the minimum detergent standards to ensure all drivers benefit from the type of performance and longevity promised by TOP TIER fuels.”
If you want to fill up at a TOP TIER gas station, see the organization’s list of licensed retailers.