Complex sentence: Renault Dauphine is a rear-engined economy car manufactured in a four-door sedan body style by Renault as the successor to the Renault 4CV--with over two million examples marketed worldwide during its production from 1956 to 1967.
Split into simpler sentences: Renault Dauphine is a rear-engined economy car manufactured in a four-door sedan body style from 1956-1967 by Renault--as the successor to the Renault 4CV. Over two million examples were marketed worldwide during its production from 1956 to 1967.