Complex sentence: The Volvo C70 is a convertible that was manufactured by Volvo Cars in two generations between 1997 and 2013: the first from model years 1997-2002 as coupé and from 1999 to 2006 as a softtop convertible.
Split into simpler sentences: The Volvo C70 is an automobile which was manufactured by Volvo Cars in two generations between 1997 and 2013. The first generation was produced for model years 1997 to 2002 as a coupé and from 1999 to 2006 as a softtop convertible.