New Opel Insignia OPC Spy video: testing and sound on Nurburgring

Before its debut at the 2016 Paris Motor Show this autumn, the secondgeneration Opel Insignia still has some testing to do. Our spy photographers caught the car again, this time wearing OPC alloy wheels. Beyond them sit Cadillac brake callipers. This is not the first time General Motors has worked in mysterious ways. Because: Looking at the size of the brake discs or soft damper setting, its rather clear that this test mule is far from being an OPCgrade machine. But testing how the chassis responds to th