Quote:
Originally Posted by chrisng
yeah honestly it makes no sense to me that a 2.0 na engine developing 197 hp can get almost the same gas mileage as a 1.5 developing 109.... the regualr civic probbably blows the fit out of the water, automatic civic mpg is probably better than the auto fits... why is this... anybody know?
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Civic 1.8L has the same tech as my Z4 -- reduced pumping losses by keeping the intake valves open during part of compression and keeping the throttle body wide open, just like the Prius. This is called Atkinson cycle instead of Otto cycle. My Z4 indicates 26.1 mpg average right now, just to and from work and shopping for a couple weeks, pretty decent, and 31 real-world on the freeway.
Fit has none of that fancy intake stuff.