Diess warns U.S. tariffs could cost VW up to $2.8 billion, report says Diess warns U.S. tariffs could cost VW up to $2.8 billion, report says February 21, 2019 dzadmin Comments 0 Comment President Trump has said he will impose tariffs on cars imported from the European Union if U.S. talks with the bloc do not yield a new trade deal. The move could cost VW up to $2.8 billion.