By Patrick Rall G+ Feb 22 2011 - 2:37pm
The Opel Insignia OPC with a Buick front end on the open road
The back end of this 2012 Buick Regal GS carries the badging of the higher performance Opel Insignia OPC.
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The back end of this 2012 Buick Regal GS carries the badging of the higher performance Opel Insignia OPC.
