Powered by a 12A rotary engine--good for around 100 horsepower--this relatively light 1981 Mazda RX-7 GSL will really come into its own when the roads get twisty. This delightfully brown-hued FB RX-7 has covered around 53,000 miles from new and will be on offer at Mecum's Chicago show October 24-26. Hagerty values a No. 2 RX-7 at around $14,000. How much will this …
