Marathon Gas Prices in Fontana, CA

Marathon premium is worth the cost only if your vehicle requires premium-grade fuel. Marathon's premium meets the same 91-93 octane standard as competing brands. The decision should be driven by your vehicle's requirements.

Marathon MakeItCount rewards program earns points on fuel and in-store purchases. Members can redeem points for cents-per-gallon fuel discounts and store merchandise. Co-branded credit cards from major fuel brands typically offer 3-5% back on gas purchases at that brand's stations.

TOP TIER certification means a fuel brand's additives exceed EPA minimum detergency standards. This designation is recognized by major automakers including GM, Ford, BMW, and Toyota as beneficial for long-term engine health.

Marathon Petroleum is one of America's largest petroleum refiners, operating Marathon branded stations primarily across the Midwest, Southeast, and East Coast. Marathon's direct refining-to-retail model means their stations benefit from efficient supply chains. Marathon fuel meets all TOP TIER detergent gasoline standards and is particularly well-distributed in Ohio, Michigan, Indiana, and Kentucky. The key differentiator for Marathon fuel is its proprietary additive package, specifically formulated to clean fuel injectors, intake valves, and combustion chambers.