The early ones are smaller than you think. The Leyton House car he designed is about 4.4m long, 2.1m wide, and about 1m tall, sitting the top of the driver's head about 70cm off the ground. The current ones are ginormous in comparison, about 5.5m long, 2m wide. https://i.ytimg.com/vi/DY0LvauM3Gw/maxresdefault.jpg