2017 Opel Insignia Spied, Has OPC Wheels and Cadillac Brake Calipers

Before its debut at the 2016 Frankfurt Motor Show this fall, the second-generation Opel Insignia still has some testing to do. Our spy photographers caught the European brother of the 2018 Buick Regal dropping hot laps at the Nurburgring. Wait, what’s that? Zoom in on the photograph featured above. On the front left wheel. Zoom in some more. Yes, that’s an OPC alloy. Beyond it sits a Cadillac brake caliper. This is not…