Just go with whatever the manufacturer recommends. They always have actual data to back up their recommendation. Its not like they have a stake in the gas companies. If that was the case then every manufacturer would only recommend premium.
What kind of gas do you use in your Cayenne? Premium or Regular?
I'm everyone's been asked this question at least once. But seeing as how most engines made in the past decade are engineered to take both even though a lot of them recommend using only premium. So whats your 2 cents about about this topic?
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I would just use premium. Not because people say you get better mileage. Not because people say it makes it run faster. But mainly because most premium gases don't have ethanol mixed in. Also premium gases can remain stable in your tank way longer than regular gas. Meaning if ever for some reason you're unable to start it up for a long time it wont gunk up the fuel lines.
I run 100% non-ethanol gas in mine. Running regular or mid grade will cause the engine to retard timing thus reduced power.
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I really liked this*information.
dirty dayenne
I just put Midgrade into my 08 porsche cayenne. Does anybody know what grade I'm really supposed to put in it? I don't have a book . Also what should I do to fix the situation if I'm supposed to put premium in it?I run 100% non-ethanol gas in mine. Running regular or mid grade will cause the engine to retard timing thus reduced power.
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