Thread: Premium Fuel?
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Old 03-27-2013, 10:14 PM   #8
06mistreSS
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Join Date: Dec 2012
Location: SE Michigan
Age: 32
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I do agree, the higher the mileage the less a .5mpg savings is going to show at each fill up. Although, I am still a bit curious with the Cruze.

I could feel it a tiny improvement in performance going to premium in the Monte Carlo. The engine (5.3L LS4 V8) just runs a bit better overall. I'm usually in the pedal half the time with that car, so that and the fact that I'm moving more air through the engine with my current setup doesn't show any real mileage gains. I average about 17-18mpg with that car and that's mostly (70%) city driving.
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