Anyone notice a difference running 93 octane in your v6 ?
I only get 18.5 MPG with my 2LT V6 A8 so I always get the 87 octane.
Last week I was right at empty so I tried $20 of 93 octane to see if I could
feel more snap.
I couldn't tell any difference from 87 when flooring the car with in sport
mode with traction control turned off. It felt the same to me.
Anyone notice a difference when using 93 octane ?
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