I know this isn't technically a rolling road result, but i have tested this on a number of cars and compared RR results and found it to be pretty accurate.
I need to get a decent run and get the launch right to double check the figure but here it is.
Stock Astra H 2.0T SRI 200+
209BHP peak power
I need to get a decent run and get the launch right to double check the figure but here it is.
Stock Astra H 2.0T SRI 200+
209BHP peak power