Do you want a previously owned Buick and wonder where you could find one in Saguenay? HGregoire, situated not far from Chicoutimi and St-Bruno, is a top provider of used Buicks and other makes. The spectacular opulence of Buick’s cars can be seen not only in their exterior and interior designs, but also in the strength and agility of their engines. They are a perfect arrangement of comfort and class.