Opel Insignia OPC Unlimited raises top speed to 168 mph
The Opel Insignia OPC is powered by a 2.8 V6 Turbo engine allowing for 325-hp and a peak torque of 295 lb-ft. That allows the Opel Insignia OPC (which is the 255-hp Buick Regal GS on the stateside without the V6) to go from 0 to 62 mph in 6 seconds with a top speed of [...]
