4 ms·
Historically there was Can-Am[0]: "As long as the car had two seats, bodywork enclosing the wheels, and met basic safety standards, it was allowed." As others
by chrisdhal 6y ago
Historically there was Can-Am[0]: "As long as the car had two seats, bodywork enclosing the wheels, and met basic safety standards, it was allowed."
As others have mentioned, F1 is probably the closest today.
[0] https://en.wikipedia.org/wiki/Can-Am https://en.wikipedia.org/wiki/Can-Am