The DS3 Cabrio is anything but a conventional convertible - but then, that's exactly why you might buy one. You don't get a full-blown folding roof, but then neither do you get the usual compromises in rear seat and luggage space - and there are no speed restrictions on soft top use. If you thought you could neither justify or afford a cabriolet, then this car aims to make you think again. Between 2013 and 2015, this car was badged as a 'Citroen': does this design represent best used market value in this form?