I try to use a brand name fuel. Usually Shell, or BP. The couple of times I have purchased from discounters it feels as though the engine is misfiring. Also smoother starts from the brand names. The branded fuels also have additives to help keep the engine clean which means you may not see immediate results but you might after 60,000 miles or so.
Personally I tend to think long term say 125,000 to 150,000 miles.
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Jeep is a way of life, not just transportation.