^ yes
In my 2014 Mazda6 2.5L Skyactiv I noticed more power with 91 octane vs 87, more timing advance allowed.
40-60miles more per tank of fuel.
not quite enough to offset the cost difference - but there is a power and mpg benefit.
In my 2014 Mazda6 2.5L Skyactiv I noticed more power with 91 octane vs 87, more timing advance allowed.
40-60miles more per tank of fuel.
not quite enough to offset the cost difference - but there is a power and mpg benefit.