A Ford mustang is seen at a used car dealership in Montebello, California on May 5, 2025.DETROIT – Prices of used vehicles are expected to rise this year but at a historically stable rate, according to auto data and insights firm Cox Automotive.Cox on Thursday forecast that wholesale prices on its Manheim Used Vehicle Value Index will end this year 2% higher than December 2025. The index tracks prices of used vehicles sold at its U.S. wholesale auctions. This year's increase would compare with 0.4% increase ...