Mine was black and convertible.
It made several journeys between London and Dundee, before meeting a sad end at Wester Ballindean Farm, near Inchture.
It was difficult to stop totally when going downhill.
But it could accelerate well.
I had to stop frequently on long journeys to buy petrol because the hole in the petrol tank meant that it could only take about half a tankful.
Bench seat, column change. It was wonderful. Wish I'd kept it.
https://en.wikipedia.org/wiki/Nash_Metropolitan