The V12 engine has long represented the zenith of automotive ambition—an emblem of both engineering prowess and luxurious excess. Traditionally reserved for supercars or stately limousines, the V12’s smoothness, power, and unique character have captivated enthusiasts for generations. Yet, not all V12-powered cars have followed predictable paths. Throughout history, some of the most unexpected and eccentric production vehicles have sported this legendary engine configuration. In this list, we celebrate fifteen of the most unusual V12 production cars ever built—each one a testament to daring innovation and automotive audacity.