Costco Gas Station is a membership-based fuel center. It sells high-quality Top Tier gasoline, including regular and premium grades, with some locations offering diesel. The fuel is Kirkland Signature brand, formulated to clean engines. Prices are consistently lower than local stations, often by 10 to 30 cents per gallon. While lines can be long, they move quickly. A Costco membership is required to purchase gasoline. The location also offers a roast beef sandwich noted for its quality, portion size, and taste.
