2005/2008 gas mileage
My 2005 Mazda 3 5-door averaged 34mpg on the highway, while my 2008 Mazda 3 5-door averages 28mpg on the highway, what is up? The cars are equipped exactly the same except that the 2005 had a sunroof, both have the 2.3 motor and 5-speed.
Any ideas why there would be that great a difference between the two, and by the way that is with the same aftermarket wheels and tires on both. Tom |
vehicle variation for engine tolerance is one...
guessing it has the most to do with the O2 sensor accuracy and calculating the air/fuel ratio. there is a thread on vehicle MPG here somewhere, and a link to someone's site that logged users actual MPG as well. I get ~29-30 on average, very steady from day one minus seasonal variation due to temperature. |
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