Using 87 Octane Gas Good or Bad?

us on this one. He obviously is either ignorant of his cars needs, or just doesn't care, which is scary. Most people would spend the extra couple bucks at the pump on a 40k+ car, but apparently he doesn't. Open the gas lid and check it out, it will say 930oct min. It makes you wonder how that cars been treated otherwise, I would assume its had a hard life. I'm suprised the engine doesn't knock or stumble. Did you drive it? Of course he was maybe just giving you a line so the car looks like a more attractive deal. Alot of people baulk at using premium, maybe he thought you were one of those people.