The number of used cars sold in Hungary rose 10.4% to 101,746 in the first quarter of 2013, seller Weltauto said, citing data from Datahouse. Used car sales at dealerships were up just 1% at 30,241. Sales of imported used cars jumped 19.3% to 13,863 because of the reduced registration tax for such vehicles. Weltauto is owned by vehicle importer Porsche Hungária.