Its the same RON rating...so it's not going to give massive performance increases - it's been designed to protect better rather than increase performance i think, with a reduction of up to 25% in friction. One of the ways i convince people that VPower was/is better for your car that regular stuff is down to the protection/cleaning/cooling properties it has as a fuel. For example - If you run VPower, you don't have to put things like Redex through the system as the fuel already does it.
I filled up with it today, and i wont be expecting any performance gains, but i know it's working hard where i cant see