The striking wedge-shaped physique of the Cien was the handiwork of Simon Cox, who has also designed other Cadillac concepts and even the Isuzu 4200R supercar concept from the '80s. The design of ...

It’s always fun to see obscure concept cars go up for auction, and we have quite an oddity to show you today. The unique 1998 Cadillac EldoRODo is up for auction in Wisconsin on Bring a Trailer.