However, they are not the only engines in the game. Take Volkswagen: While it certainly made its fair share of V6 and V8 engines, they have made much more than that over ... it a Type 4 engine.
The Type 1 and Type 2, better known as the VW Beetle and Bus ... as previously mentioned. The engines that power them, though, are also known as Type 1, Type 3, and Type 4 engines.