Costco Gasoline is a membership-based fuel center that offers Top Tier rated fuel, including the Kirkland Signature™ Gasoline, which is formulated to clean your engine and help your vehicle run like new. Costco is known for providing the finest quality products at the best possible prices, and their fuel is no exception. While Costco Gasoline offers competitive gas prices, some customers have noted that the fuel lane setup can be small, leading to potential wait times. Additionally, some have suggested that the station could benefit from more pumps or additional staff to assist elderly and other customers who may need help or have questions. Despite these minor challenges, Costco Gasoline remains a popular choice for many, with a "code" or unwritten set of rules that customers are expected to follow to ensure a smooth and efficient fueling experience. These include having your Costco membership card ready, tapping the card and selecting the fuel grade quickly, and promptly moving on after fueling to avoid blocking other customers. Overall, Costco Gasoline provides a reliable and cost-effective fuel option for its members, with a unique set of customer expectations that, when followed, can contribute to a streamlined and pleasant fueling experience.