Jacob
Well-Known Member
- Thread starter
- #1
Okay damndest thing I’ve noticed. So I’ve been running 91 octane since I bought my 2019 in December. Decided to switch to 89 to save a little bit of coin and son of a gun my MPG went from 20.9 to 23.8.
now I have never really believed in the differences in octane unless your vehicle required premium. I’m puzzled by this. I don’t get how it would improve by that much. Can someone explain because I quite frankly can’t believe this.
now I have never really believed in the differences in octane unless your vehicle required premium. I’m puzzled by this. I don’t get how it would improve by that much. Can someone explain because I quite frankly can’t believe this.
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