Analysis of information sources in references of the Wikipedia article "Baojun 630" in English language version.
The 630 is based on what GM likes to refer to as Mature Technology, which is generally PR speak for older well used tech that is not quite past its sell by date and still highly useable, [sic] the platform in question is rumored to be the older Buick Excelle platform that was first designed in GM Korea.
The Baojun 630 is a midsize vehicle that was developed locally using GM technology.
The 630 is based on what GM likes to refer to as Mature Technology, which is generally PR speak for older well used tech that is not quite past its sell by date and still highly useable, [sic] the platform in question is rumored to be the older Buick Excelle platform that was first designed in GM Korea.