Which came first, the W12 engine or the VR6 engine?
W12 engine A W12 engine is a twelve cylinder piston internal combustion engine in a W configuration. W12 engines have been manufactured in two distinct configurations. The original W12 configuration used three banks of four cylinders coupled to a common crankshaft, with 60° angles between the banks. These were used in several aircraft engine designs from the 1920s, notably the Napier Lion and various French engines. The more recent configuration, used in the Volkswagen Group W12, uses four rows of three cylinders merged into two 'cylinder banks' (two narrow-angle VR6 engine blocks), coupled to a common crankshaft.
Toyota Prius V The Toyota Prius v (for versatile), also named Prius α in Japan, and Prius+ in Europe, is a full hybrid gasoline-electric compact MPV/station wagon produced by Toyota Motor Corporation introduced in Japan in May 2011, in the U.S. in October 2011, and released in Europe in June 2012. The Prius "v" was unveiled at the January 2011 North American International Auto Show alongside the Prius c Concept, and it is the first Prius variant to be spun off from the Prius platform. According to Toyota the "v" stands for "versatility".