“So we did that, we actually bought six F2 cars, real F2 race cars ... Brad and Lewis Hamilton at the track together, all of us jumping in cars and driving each other around in sports cars ...

"This is one thing. The power, obviously, is another one. Moving as well on to a bigger car, bigger tyre, grip and so on, so it's all together. The main focus since day one on Gen4 was performance.

F1 director Joseph Kosinski has revealed he and his team purchased six real F2 cars for stars Brad ... Hamilton at the track together, all of us jumping in cars and driving each other around ...