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Old 05-29-2008, 12:22 PM   #1 (permalink)
SirKeats
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Join Date: May 2008
Location: Southern Oregon
Posts: 111

GeRide - '89 Geo Metro *XFi
90 day: 54.26 mpg (US)
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Weighted Combined MPG Rating Calculation?

Just curious...

Is there a calculation (or better yet... an actual online calculator) that figures out a combined MPG based on the % of city and highway driving you do?

So by this I mean that my Geo is rated for 43city and 51highway. The combined listed is 46mpg. But wouldn't this combined mpg be for 50% city and 50% highway?

Let's say I drive 40% city and 60% highway. Using these numbers is there a way to calculate a weighted combined mpg based on the EPA numbers?

Sorry... I don't do math so good. LOL

Thanks! Just curious really.

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