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Old 09-01-2011, 01:34 AM   #6 (permalink)
capnbass91
EcoModding Apprentice
 
Join Date: Apr 2011
Location: Orange Country, CA
Posts: 102

Fiesta - '12 Ford Fiesta SE
90 day: 31.45 mpg (US)
Thanks: 36
Thanked 3 Times in 3 Posts
I think it really depends on the car, I've seen people say their gph goes down in N and others say it's lower in D.
For example, in my car in D gph is about .45-.49, while in N it usually stays above .50.
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