18. Bristol 603
Bristol Cars are one of the craziest companies in the world. Not for their models, which are quite strange, but for their business policy. The company barely made any money for decades. They operated only one showroom and sold only one or two cars per year.
In fact, they refused to modernize their lineup for decades. In 1976, Bristol introduced the 603. It was a bespoke coupe with a Chrysler V8 engine that combined the luxury of a custom-built car with the performance and torque of muscle cars.