For motor manufacturers, concept cars can mean a great deal, or they can mean nothing at all. Often, they’re a way of gauging public interest before committing to production. But all too often, they’re ‘celebratory’ models, or indications of future design intent. In some cases, some manufacturers seemingly build concepts merely to disappoint us by never actually producing anything vaguely reminiscent. So with that said, here are ten concept cars we thought should’ve reached production, but never did, and likely never will.