The McLaren P1™'s top speed

The McLaren P1™'s top speed has been confirmed as 217.5 mph (350 km/h) and, in line with our aim to produce the next generation of ultimate supercars, it will reach 186 mph (300 km/h) in under 17 seconds.
 
No more than 375 cars will be produced, all fully equipped for road and track.