Went on a 1200 mile road trip with a friend of mine, rented a Le Sebring Convertible. When my buddy filled up for the first time I noticed that he filled the tank with premium. I told him he was crazy to use premium in a rental car. His response was: better gas better milage, so saving money on the long run.

He drives some high end cars, so I can understand he uses premium for his own cars, but for a rental.

Is he right, or just a good consumer...

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).