As sales sputter, are muscle cars the canaries in the industry coal mine?

After hitting a five-year peak in 2015, combined sales of the Ford Mustang, Chevrolet Camaro and Dodge Challenger have declined 8.4 percent this year. So is it time to worry about America's fabled muscle-car troika?

from Automotive News Breaking News Feed http://ift.tt/2bX5n2w via Falls Church auto repair