According to AAA the difference between grades of gasoline is octane. An engine with a higher compression ratio needs more of that pricey octane. Most engines don't need the extra octane, so skip it and save.
Disclaimer: I'm clearly not your mechanic, so consult a pro, but use this as a catalyst to look deeper into what YOUR engine needs!
1 comment:
One of my past cars actually ran better on premium, so I'd treat it to that once in a blue moon. But my latest car could care less and does fine on regular. Thank goodness, as gas approaches five bucks a gallon. Geesh.
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