VW Beetle Cabriolet - Check out this international classic, written by Malcolm Bobbitt. The VW Beetle Cabriolet convertible, powered by the VW flat-four engine and built by Karmann-Ghia. The story of this sought-after collector is fascinating! Altogether, over 330,000 Volkswagen Beetle Cabriolets were built between 1948 and 1980, and the quality of their engineering has ensured a high survival rate. An essential guide to all Beetle-based Cabriolets.