It's hard for a car buff not to crack a smile — or at least an impish grin — at the sight of a classic muscle car. These overpowered iron beasts were built to deliver a beating and to take one. They were always willing and able to burn some rubber. And they were anything but agile. Big, heavy for the time, loud and rude, muscle cars embodied everything that was great about the American auto industry of the 1960s and 1970s. In a recent poll of our readers, we asked, "What's your favorite muscle car?" Here are the results, listed in ascending order of preference, as well as an overview of what made each beast special.