It's the missing link between the all-too-sensible road car and the flame-spitting rally car.

But we have reached a point where a road car simply cannot handle the potency of the engine under the bonnet.

It was also the first road car to have front disc brakes.

It was the first mass-produced road car to have four-wheel drive and a turbocharged engine.

Deliveries of the quattro road car began in late 1980.