Quote:
Originally Posted by MikkiHuuru
Why does Prius PHEV go around 20 km when it should go at least twice as much if its Cd is 0.25? What is Prius' real Cd?
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Is the 20 km range an actual real world measurement or was it published? The reason I ask,is that Toyota may be down-playing performance figures such that under the worst circumstance,that the car will never under-perform.
Many gasoline cars are far exceeding their EPA HWY mileage ratings and it looks like these numbers are very conservative.
As to the Prius' actual Cd,other wind tunnels have discounted what Toyota claims,but they're still in the 'neighborhood.'
All tunnels employ a universal/global NACA airfoil calibration model and all their results are within a few percent of one another.
I don't think Cd 0.25 is really off the mark.