This index monitors 1960s automotive market evolution, tracking muscle car emergence, European sports car invasion, and cultural revolution impact on automotive collecting and investment performance. It includes key models Chevrolet Camaro SS, Ford Mustang Fastback, Dodge Charger, Plymouth Barracuda, Pontiac GTO, Buick Skylark GS, Oldsmobile 442, AMC Javelin, Mercury Cougar, Chrysler 300 Hurst, Chevrolet Chevelle SS, Ford Galaxie 500, Dodge Dart GTS, Plymouth Road Runner and Pontiac Firebird Trans Am
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