American manufacturer GM is at it again (rebadging and all) and announced that the European Opel Insignia OPC got rebadged, equipped with a new engine (a less powerful one than on the Opel, as we will see) and unveiled today as the "21st century successor to Buick’s Gran Sport heritage": the Buick GS.
The Buick GS packs, as said, a 2.0l turbocharged four-cylinder engine, smaller than the 2.8l V6 turbo powerplant found on the OPC. As a consequence, the unit on the GS dev… (read more)