Thread: Tesla Model Y
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Old 03-13-2019, 11:54 AM   #32 (permalink)
aerohead
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Cd vs CDA

Quote:
Originally Posted by Vman455 View Post
Lowest drag coefficient ever offered for sale in North America, not lowest drag. If I'm not mistaken, that honor still belongs to the original Honda Insight by virtue of its small cross-sectional area (it's a full 3" shorter and 7" narrower than the Model 3).

ETA: I remembered, and double-checked just now, that Tesla now advertises CD .23 for the Model S as well, while the Model X has been bumped up to CD .25 with the fixed spoiler.
You're correct.The drag index of the 1st-gen Insight probably trumps that of the Tesla.
CAR and DRIVER attributed a higher Cd to the Insight,than what Honda claimed,(I think Cd 0.30,( re:'Drag Queens' article,from A2 wind tunnel testing),but the Honda's frontal area is just a bit above the 1st-gen CRX,so it's overall drag is pretty sweet!
Shame about the XL-1.VW could have done it in stamped-steel and glass,and mass-produced it, as a plug-and-play-optioned car for $10,000-up.It would still get over 100-mpg HWY,even with gasoline power.
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