FRANKFURT, May 4 (Reuters) - Shares in German auto and truckmakers fell on Monday after U.S. President Donald Trump announced an increase in car import tariffs to 25% from 15% previously agreed, dealing a fresh blow to the already beaten sector.

Shares in Porsche P911_p.DE, BMW BMWG.DE, Mercedes-Benz MBGn.DE, Volkswagen VOWG_p.DE, Traton 8TRA.DE, Daimler Truck DTGGe.DE were all down 0.4% to 2.6%.