Some supercars become household names, while others deliver wild performance, stunning design, and incredible engineering without ever getting mainstream attention. In this video, we are counting down 20 supercars most people have never heard of. From rare boutique builds and limited-production speed machines to forgotten exotics from small manufacturers, these cars prove that the supercar world goes far beyond Ferrari, Lamborghini, McLaren, and Bugatti. We will explore what makes these hidden gems special, from outrageous horsepower and futuristic styling to unusual backstories, tiny production numbers, and prices that put them out of reach for almost everyone. Whether you love rare cars, underrated performance, or discovering machines that feel like automotive secrets, this countdown is packed with surprises. Watch until the end and tell us which unknown supercar deserves way more attention.