Sunbeam Lotus and Sunbeam Rapier H120

Sunbeam Lotus

Hillman Rally Imp and Singer Rally Chamois. Since they were just about all used in competition there are almost no genuine survivors.

early Hillman Imps had them. Not sure if they found their way onto anything else.

pneumatic throttle

Ignoring cars bought primarily for my wife's use:

Matra ASRAAM

Bristol is better known as an aircraft manufacturer than a car manufacturer. Additionally many Bristols were built by the Rootes Group during the war.

Britain's airship industry was closely connected with its car industry. Many airships were built by long forgotten car makers Armstrong-Whitworth (predecessor of Armstrong-Siddeley) and Beardmore.

Nice, but rear-engined Singers are meant to look like this.

Real Singer!

Coventry-Climax FW family (Lotus Elite, TVR Grantura, Hillman Imp and variants, Ginetta G15, etc.)

Or for that matter any of the Glas-BMWs.

BMW 700

Talbot Matra Rancho

Dunbartonshire Police in Scotland used to operate a matching pair of Hillman Imps. They were named "Pinky" and "Perky".

Humber Pig

I'd swoop in and grab Rootes before Chrysler got hold of it and turn it into a niche maker rather than mass market. For sports cars there would be the top of the line V8 Sunbeam Tiger which would get it's own unique body this time around, a 6 cylinder Alpine in the middle, and an affordable 4 cylinder sports car. I'd…

Hang on, this is the first gen Capri...