It is a fact that nearly all automobiles sold in the US since the 1990's are able to smoothly run on regular-grade-87-octane gasoline.


"cars must be able to drive all over the world, and so we are able to run on regular," says Jakob Neusser, director of powertrain development at Porsche's research and development center in Weissach, Germany. "You don't have to feel that a mechanical problem or anything else will happen"

That said, I still pump 93