It is high summer and so it is high season for convertibles. According to a recent study by the German Federal Vehicle Registration Authority, most of them are being driven around the Starnberger See and in the Hochtaunus region. Meanwhile, the biggest lineup of open-air cars – worldwide – is offered by the Volkswagen Corporation. The convertible and roadster products of the brands Audi, Bentley, Lamborghini and Volkswagen span a range of no less than eight models with 39 engine variants. Via media.vw.com