Ariel introduced the new Atom 4RR to celebrate the model’s 25th anniversary. The even more track-focused version of the Atom 4R will be limited to 25 units. A tuned Honda engine produces 525 hp, ...

Some low-volume sports car manufacturers make one or two prototypes, maybe even a couple of production examples, and then promptly go out of business. Others that are even less lucky might never make ...