What grade of gas should I use on 2005 Porsche Cayenne S?
I was looking to buy a Porsche Cayenne S 2005 and I was wondering what grade of gasoline should I or have to use for it. Can I go using one type of gas for a while then switch? It has 57500 miles on it if you needed to know. I would really appreciate some answers to this, thanks.
Use whatever Porsche specifies for the engine. I am sure it is premium unleaded. Pretty much everything Porsche is high performance and their engines will need premium fuel for best performance.
From a Car And Driver long term test of the 05 Cayenne:
"Fuel economy was a concern for a vehicle this large. We averaged 16 mpg, splitting the EPA 14 city and 18 highway ratings. And the premium-fuel requirement pushed at least one fill-up to $100"
There ya go.
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