What's the rarest car you guys have ever been in?

Koenigsegg CCX but only sat in it.

One of the rarest kit cars in the UK

White Lamborghini Diablo

My uncles Jeep Scrambler

Bugatti Veyron Vitesse.

My car, Mk1 MX5 Merlot, they only made 500 in that spec.

Porsche 991 Carrera S Cabriolet or a SL500.

Chevrolet Corvette C7 with 600 hp and a Mercedes Prototype

Ac cobra :/

Ferrari f430