There are a few different ways to determine which gas station brand is the best. The first way is to look at customer satisfaction ratings. According to J.D. Power, the top three gas station brands in terms of customer satisfaction are Shell, Chevron, and ExxonMobil. Another way to determine which gas station brand is the best is to look at prices. Based on data from GasBuddy, the three cheapest gas station brands are Costco, Sam's Club, and BJ's Wholesale Club. Finally, you can also look at convenience factors such as location and amenities offered (e.g., car wash, restrooms). Based on data from Convenience Store News, the top three gas station brands in terms of convenience are 7-Eleven, Wawa, and Circle K/Stripes