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Old 09-04-2012, 03:57 PM   #1168
suss6052
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What I Drive: 2013 Ford Focus ST2 Ingot Silver

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Quote:
Originally Posted by kam327 View Post
Ishsaid looked at it correctly. If they were getting 26 in a Mazda with combined ratings of 27/28 (depending on transmission), then they should be getting roughly 1 or 2 mpgs under the Focus's 31 combined rating. Right now they're a full 7 under which is indeed disappointing.
I didn't say that it was an invalid comparison between their old car, just commenting on how if you are constantly shifting through 3rd and fourth, or riding in either of those gears for an extended period of time it is likely that your efficiency wouldn't be nearly the same as the old car due to the shorter final drive in those gears. I.e. stop and go traffic 0-40 and back over again in short order can decimate the fuel economy and might partially explain the discrepancy. Obviously I don't know the conditions under which they struggle to crack the same mileage as before.

However they are currently 2 mpg under what they used to get in the Mazda 3 under what is probably the same conditions. So I'm not sure how to explain that.
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