1966 Pontiac GTO This is a Classified ad on eBay for a fixed price of $28,900, this is NOT AN AUCTION. Click here to see all details.This site contains affiliate links for which I may be compensated. More DetailsThis 1966 Pontiac GTO Convertible presents a classic combination of muscular Pontiac styling and open-air motoring. 1966 Pontiac GTO Convertible – 389ci V8, Automatic, Montero Red. More Vehicles Like This 1965 Pontiac GTO$119,9001967 Pontiac GTO$56,1971966 Pontiac GTO$89,0001966 Pontiac GTO$95,000