One online source indicates they are the "Choi brothers".
Something else that may be lost in translation. Google translate converts each of these phrases:
sibal
sival
shival
into exactly the same Korean characters. During translation, the name of this vehicle has appeared as each of these "words". Bing Translate converts the first to slightly different characters, and refuses to translate the third one.
The Sibal Sedan is a unique design. It is a 4-door, with "suicide" rear doors. The back of the car is shaped like a wagon, but it does not appear to have a trunk.
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