Prodrive’s P25 is what the iconic Subaru Impreza 22B STI might have been like if launched today, and we’ve just taken it for a spin. It’s a supercar in a humble Subaru shell, and it’s designed to not only be driven, but driven hard. Sadly just 25 examples will be built, all with right-hand drive. Cadillac is set to unveil three electric vehicles…