Costco Gas Station is a membership-based fuel center that offers Top Tier rated gasoline at significantly lower prices compared to most local gas stations. The Kirkland Signature™ Gasoline is formulated to clean your engine and help your vehicle run like new. Customers appreciate the spacious area around the pumps and the ability to access the pumps from either side of the car due to the long hoses. The gas station is usually not too busy, except on weekends, and the lines move quickly. However, some customers have noted that other drivers sometimes do not pull up to the empty pumps, causing longer wait times. The attendants could be more proactive in directing drivers to open pumps. While the gas station is located on the Costco Warehouse property, it has different hours than the main store. The station accepts all major credit cards except American Express. Overall, Costco Gas Station is known for providing high-quality fuel at the best possible prices for its members.