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Old 03-18-2013, 02:33 PM   #4021
Scooby Specialist
Member#: 313575
Join Date: Mar 2012
Location: SF Bay Area, CA
2012 Impreza 2.0i HB


just crossed 9000 miles on the odometer (lately putting on nothing more than suburbia slow driving which sees me averaging around 20MPH and getting 25ish MPG).

overall stats are:

Computer: 29.4MPG, 26 MPH average
Fuelly: 28.6 MPG, adjusted for 3.2% odometer error

i haven't seen a huge increase in mileage since the early days of my car even as i approach 10k.

the biggest improvement i saw was switching my vent mode away from having defrost always on for a couple of months in early winter which really killed my fuel economy.

i probably should have the dealer dial back the MPG calibration on the computer. yet somehow, i must love the optimistic numbers which are always about 1 MPG off (after adjusting for my odometer error which is pretty spot on 3.2% underestimates from the several checks i've done with GPS and google maps)
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