flood-damaged vehicle; submerged car
Refers to a car or other vehicle that has been partially or fully submerged in water, typically due to flooding, and may have suffered significant damage.
After the typhoon, many flood-damaged vehicles were found.
Submerged cars often have serious engine damage.
Compound of 水没 (submersion in water) and 車 (vehicle). The term is straightforward and modern, with no obscure historical derivation.