True, the above are both 3 wheelers, however they are as different as night and day.
One wheel in the front is extremely unstable. Two in the front is extremely stable. I had a Morgan and it reminded me of an 'Iceboat' for the road. The post office put 'Nurfbars' on their single front wheel Cushmans and Westcoasters.
"Bond" and "Reliant" have been quite popular in the UK since early postwar II.