I had both a 300C and a Grand Cherokee with Hemi engines. Both ran fine with 87 octane. If those engines are OK with 87, surely both of the Malibus engines would be fine running the same.
Which Octane Do You Use?
I have a 4 cyl, A6 2010 LTZ with less than 5000 miles on it. I just pumped some Shell 89 octane in it today. Thought I'd give it a try to see if I can tell any difference in MPG or performance. What do you folks like?
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