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Old 01-27-2009, 05:13 PM   #8 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 21,771

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 53.56 mpg (US)

Winter beater Metro - '00 Chevrolet Metro
90 day: 61.98 mpg (US)

Fancy Metro - '14 Mitsubishi Mirage top spec
90 day: 58.72 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 66.29 mpg (US)
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It was just one of several differences. I don't think anyone has quantified any of those things because it's nearly impossible to do a proper A-B-A comparison:

- lighter curb weight (1621 vs 1650 lbs for the LSi)
- no passenger side mirror (OK, that one's easier to estimate)
- different engine computer
- different cam shaft & sprocket
- different piston design (2 vs 3 rings)
- taller final drive
- 49 hp / 58 lbs-ft vs 55 / 58
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