A car ferry is a type of water transportation vessel that is designed to carry cars on board, typically across rivers or other bodies of water. There are a number of different synonyms for the term "car ferry," which can be helpful for writers looking to vary their language or avoid repeating the same phrase multiple times. Some possible synonyms for a car ferry might include automobile ferry, vehicle ferry, car carrier, auto transport, or ferryboat. Depending on the specific context and tone of the writing, other options could include terms like car transport, automobile transport, or vehicular transport. By using a variety of synonyms, writers can keep their language fresh and compelling in descriptions of this type of transportation.