Fair enough.
Do you think the simple curves on the VW example would perform similar to the Cybertruck, as I do? Here's a picture I produced for another thread.
ecomodder.com/forum/showthread.php/new-seeking-aero-advice-my-brick
Pilasters on the front corners copied from Hersbirds's Hi-Lo camper, mirror moved away from the A-pillars, Turnpike Cruiser skirts, and a Coanda nozzle external duct to reduce the wake to an aerospike.