Hardtops for sports cars can be darn expensive. For example, you can pay more for a Mazda hardtop than an entire used Miata is worth. The cause is likely supply and demand. And roadster hardtops ...

You can get the MX-5 Miata with a hardtop, too, but it opens. The MX-5 Miata RF (Retractable Fastback) that I recently drove is essentially the convertible chassis equipped with a roof mechanism that ...