Simplify the following text for a Grade 4 native English-speaking person.
Original: The Fiat Croma is a nameplate used for two automobiles produced by Italian automaker Fiat , one built from 1985 to 1996 and the other since 2005 .
Simplified: Fiat Croma is the name of two different large cars made by Fiat . The first was made between 1985 and 1996 , and the design of it was changed in 1991 .