While these classic muscle cars share DNA with other popular models from similar eras, they all deliver thrills and nostalgia ...

so-called "gentleman muscle cars," like the following five. A few months after Pontiac introduced the GTO package for its Tempest/LeMans intermediate line, other famous Detroit brands followed.

With recent million-dollar muscle car auction sales, it's tempting to say that an investment in a classic ride is like printing money, but the market is more complex than that. The muscle car ...