12. Mazda RX-7 (Series 2)
The second-generation Mazda RX-7, produced from 1981 to 1983, featured a sleek design and the unique appeal of its rotary engine, renowned for its smoothness and high-revving nature. (en.wikipedia.org) However, U.S. models were equipped with a 1.3-liter 12A rotary engine producing 100 horsepower, resulting in a 0-60 mph time of approximately 9.5 seconds. (rx7.org) This performance was modest compared to other sports cars of the 1980s, limiting its appeal to enthusiasts seeking more power. (motortrend.com)