GM design chief introduces new +Buick? Avenir concept #Naias2015 ? Sam Abuelsamid 9 years ago GM design chief introduces new +Buick? Avenir concept #Naias2015 ? View this post on Google+ Post imported by Google+Blog for WordPress. Share this:Print RelatedGM design chief introduces new +Buick? Avenir concept #Naias2015January 12, 2015In "GPCP"+Buick? Avenir concept #Naias2015January 12, 2015In "GPCP"+Buick? Avenir concept #Naias2015 ?January 11, 2015In "naias2015"