With the first car rolling off the swanky McLaren Production Centre assembly line, the Woking firm have finally revealed the Big Mac’s performance figures. As we’re sure you’ll agree, they’re pretty staggering. So, let’s get the headline grabbing figures out-of-the-way first: 0-62 mph (100 km/h) in 2.8 seconds, Top speed of 217 mph (350 km/h)…