McLaren recently announced their most powerful and impressive road-going supercar yet, the W1 . If you opted to enjoy your Sunday away from YouTube where it was premiered, don’t worry, we’ve summarised the important bits for you below. For context, the W1 is the successor to the P1  and heir to one of the most famous cars of all time, the McLaren F1 : a car that won the 24 hours Le Mans in 1995 and then set the record as the world’s fastest production car in 1998, by reachi