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Old 10-30-2013, 10:36 PM   #1
Pickler
Scooby Newbie
 
Member#: 301247
Join Date: Nov 2011
Location: Toronto
Vehicle:
09 Impreza 2.5i MT
White

Default why do 2008 models have 1 MPG better EPA mileage

Just noticed that 2008 model impreza automatics have one mile per gallon better EPA ratings on the highway than 09-11 models (20/27 vs. 20/26 mpg). what's up with that? is this related to different mechanics/ECU tunes?

source:
http://www.fueleconomy.gov/feg/Find....24310&id=25939
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Old 10-30-2013, 11:10 PM   #2
auskip07
Scooby Specialist
 
Member#: 315643
Join Date: Apr 2012
Chapter/Region: South East
Location: Atlanta Ga
Vehicle:
2012 Impreza Sedan
DGM 5mt

Default

accuracy?
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Old 11-05-2013, 11:48 PM   #3
Slacktron
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Member#: 339342
Join Date: Nov 2012
Chapter/Region: Tri-State
Location: NNJ
Vehicle:
2009 Impreza 2.5i
Silver

Default

It might just be an error in the listing... but if the ECU is to be believed I managed to get 28.8MPG on a recent trip (all highway) without modifying anything on my '09.
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