Costco Gas Station is a membership-based fuel center known for selling Top Tier rated gasoline, including Kirkland Signature™ Gasoline that helps keep engines clean and vehicles running smoothly. The station offers high-quality fuel at some of the lowest prices in town, often 10 to 20 cents below the current market rate. Although lines can be busy, they usually move quickly, making it a cost-effective and efficient place to fill up. The station is appreciated for its good value and convenient location, attracting both members and non-members, especially when non-members try multiple cards to get gas. While timing can sometimes be an issue, many find that getting in and out swiftly makes Costco Gas Station the best choice for quality fuel at a fair price.