Given the dramatic figures in the link below (also contained in Tesla's shareholder letter) it seems highly likely that in addition to BEVs/PHEVs at least 3-Series/A4/C-class sales in the U.S. will take a hit after the reveal, if they are not already.
Tesla's Model S is the Best-Selling Luxury Sedan in America. By a Lot. - Fortune
Tesla's Model S is the Best-Selling Luxury Sedan in America. By a Lot. - Fortune