Classic 1969 Pontiac GTO features 400 V8 power, hideaway headlights and period muscle car styling with modern stance upgrades ...

Well-preserved 1976 Pontiac Trans Am with matching 400 V8, factory features and documentation listed for $54,900.

While unquestionably cool, these five muscle cars were sales disasters during the 1970s. Today, however, their rarity makes them some of the most expensive and sought-after American classics. During ...