While the Porsche 991 GT3 has a top speed of 310km/h, and can reach 0-60 in only 4.1 seconds, the Turbo has it beat on paper. With a top speed of  318km/h, and a 0-60 of 3.2 seconds, it would appear that there is a clear winner. But racing is  never as straightforward as that, and the only way to find out who the winner was is to watch the video below.