10: Nissan 300ZX
The final incarnation of the Z car in the 1990s is perhaps one of the most underrated sports cars of all time. The styling of the “Fair Lady” was ahead of its time when it came to a sports car. Even though Nissan was in dire straights financially, the firm was still able to bring one of the most convincing sports cars ever to the table. The twin-turbo engine propelled the 300ZX with authority, while simultaneously competing with the best that Japan had to offer (via Cars Guide).
There is also a rare convertible version of the 300ZX, which had beautiful styling for the time. For a short period, these cars were remarkably undervalued, and they are still undervalued when you compare them to other sports cars from this era. The Toyota Supra can go for thousands of dollars more, but the 300ZX will provide comparable performance.