The reason I will not pull into a BP station is because it is usually 5 cents or more higher then the station I go to. But then I never have nor will I ever go to a CITGO station for the same season, plus that Hugo Chavez owns the Oil company.
We have a BP station that appears to be a leader in lowering prices. So it is the place to go. Unfortunately it is a little out of my way, so I only go there when I am nearby for other business.