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Old 02-17-2013, 12:56 PM   #1 (permalink)
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,428

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

MPGiata - '90 Mazda Miata
90 day: 55.44 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car - '14 Mitsubishi Mirage ES (base)
90 day: 67.41 mpg (US)
Thanks: 3,960
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2014 Mitsubishi Mirage ecodriving highway run: 75 MPG (US) / 3.1 L/100 km

The 1.2L, 3-cylinder 2014 Mirage (or whatever they end up calling it) is coming to the US and Canada this fall.

Officially, it's rated at or near the top of its class in multiple countries where it has already been rolled out, and that will likely be the case in the US/Canada too, with an EPA combined rating in the high 30's mpg US (that's an educated guess).

So we've been on the hunt for evidence of its fuel economy potential in the hands of people who know how to do it.

This week I stumbled on some economy run numbers from an event in Thailand that might interest ecomodders...
  • Round-trip highway run: 1,590 km (988 mi.)
  • using two cars: both 1.2L, one CVT automatic, one 5-speed
  • tires aired up to 45 PSI (35 is factory spec)
  • no other vehicle modifications
  • multiple passengers in the cars
  • air conditioning used
  • target speed of 80-90 km per hour (~49-56 mph)
  • gas pump readings used for calculations, and the cars were shaken vigorously side-to-side at each fill-up to ensure as much fuel went in and air came out as possible
  • using 91 octane fuel
  • fuel filler doors & hoods taped shut by event marshall
I think it's fair to say the drivers probably weren't "hypermiling experts", though they were auto journalists.

  • 66.2 mpg (US) / 3.5 L/100 km from the CVT-equipped car
  • 75.1 mpg (US) / 3.1 L/100 km from the 5-speed car
More details:

Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown

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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