The GT2 is already a very fast car, but this thing is even more extreme, the 911 GT2 RS produces 611bhp – yep, still all through the rear wheels – weighs 1,370kg and will go from standstill to 124mph in under ten seconds. That’s 88bhp more powerful and 70kg lighter than the GT2. That’s 8bhp more than the Carrera GT. …