VW ID.7, Cd 0.23
 

Here's a look at VW's Tesla clone, of nearly-similar Cd. VW provides its frontal area, 2.46 meters-squared.
Bar-graphing the '7', by dividing length by square-root of frontal area comes out at 3.159830251. It's right in the neighborhood of other cars of similar Cd.
https://www.volkswagen-newsroom.com/...ficiency-17309