What Gas? - Audi Forum - Audi Forums for the A4, S4, TT, A3, A6 and more!

02-17-2015, 09:34 AM

#1

Adam Stasiak

Audi Forum - Posts like an A1

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Join Date: Feb 2015

Location: Calgary

Posts: 28

What Gas?

I was always using premium gas - 91 Octane min- and recently I bought mid grade 89 Octane gasoline At ESSO. To my surprise the car runs better on mid grade than on premium. There is a big difference in engine responsiveness and acceleration. I also tested mid grade at Husky with the same result. Why 89 Octane is better than Premium?

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