- This is the fastest car in the world:
The Bugatti Veyron Super Sport -- 267.81 mph (431.072 kph).
- This is the bestselling car in the world:
The Toyota Corolla — 117 mph (188 kph)
The Toyota is Python. It is more common because it's user friendly, easy to use, easy to understand, pretty but practical and it gets the job done.
The Buggati is like C/C++/typically 'fast' languages — if you know what you are doing, you can get where you want at record speed. But first, you need to practice, set up a race course, fine tune it until your head hurts and have a ton of fuel in the tank.
Hope that answers your question!