Quote:
Originally Posted by T32803
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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I haven't read through everyone's posts but personally... almost no difference. I noticed a much bigger difference betwen 87 and 93 on my 5th Gen V6 than I do on my 6th Gen.
There is a "slight" and I mean VERY hard to notice increase in response.. but thats about it...and premium here costs about $0.50 more than 87 octane... so I just don't see the point. I only use 87 and have had no issues nor have I had any points where the car felt sluggish or pinging or unresponsive. drives exactly the same.
Edit:
Quite interesting to see people here running 87 Octane and getting pinging. I'm very surprised by this as Ive never had this issue and have succeeded up to 47 MPG on a road trip using 87... yes..thats not a typo.. a V6 A8 at 47 MPG.
For those having issues, where are you geographically located? Elevation plays a BIG ROLE, the mountain states generally recommend higher octane.