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Old 03-01-2012, 02:43 PM   #272 (permalink)
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 21,005

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

MPGiata - '90 Mazda Miata
90 day: 53.47 mpg (US)

Winter beater Metro - '00 Chevrolet Metro
90 day: 73.57 mpg (US)
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35 vs 40 mpg = 12.5% lower.

Coincidentally... (?) my own unscientific observation on the same question was pretty darned close. In the Firefly: 53.4 vs 60.3 mpg = 11.4% lower.

Coasting experiment: engine off VS. engine idling -

EDIT: from this we can see why automakers really want the EPA to devise a way to take into effect engine start/stop systems (on non-hybrids) in the city tests.
Latest mods test: 15 mods = 15% MPG improvement: A-B test, 2007 Honda Civic 1.8L, 5-speed
Ecodriving test:
Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L

has launched a forum for the efficient new Mitsubishi Mirage - fuel efficiency info for Geo Metro owners - electric car conversion on a beer budget
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