very rare ? ?

I wouldn't be surprised if it is based on the K-car. Mitsubishi and Chrysler were putting out the same cars in 1987


the Galant is a DSM car, kinda like the red headed stepchild of ma mopar
but then again, back in those days all cars looked alike kinda like today)

consider the Pontiac lemans for instance

1988-Daewoo-Pontiac-LeMans.jpg