15. Mazda RX-7 Spirit R

The Mazda RX-7 Spirit R represents the final and most refined evolution of the iconic FD RX-7. Limited to just 1,504 units, it features unique wheels, upgraded brakes, and special interior trims, setting it apart as the ultimate rotary sports car. Collectors are drawn to its combination of rarity and performance enhancements. As noted by Motor1, Spirit R models consistently command prices well above any standard RX-7, reflecting their legendary status.