Obviously, cars can't really take off, because the power needs contact with the ground. However, that doesn't stop them from flying from lift:
But if you're so intent on ignoring the Cl and be so narrowly focused on Cd and nothing else, I'll be laughing my ass off when you wreck on the freeway because your skinny, no-grip tires slipped when you tried to swerve.
I'm not a drag-nazi. I'm seeking a balance between economy and performance. Just because I don't have tunnel vision doesn't mean you've got to be a jackass.