Seems like the Volt takes a big hit on mileage once you are powered by gas (42 mpg on highway) but I don't think there is any chance you will save $50 a month in fuel for the Bolt over the Volt, then you save in other places. Both do really well and the Bolt has the benefit of being cheaper and easier to maintain.
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2006 Z4M Coupe - Stromung exhaust, ZHP knob, stubby antenna, clutch delay delete
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