Tractor millionaire Ferrucio Lamborghini decided in the 60s to beat Ferrari at his own game by building some of the world’s most desirable cars. Do latest models live up to the legend? Plus a look at the merits of the Range Rover as a second-hand buy, and at ‘air bags’, balloons of gas which cushion the impact of a crash. With Chris Goffey, Jeremy Clarkson and Quentin Willson.