Although Subaru didn't invent flat engines, and isn't the only automaker still using them, those motors have become a defining characteristic of the brand. (The same can be said for all-wheel drive, ...

The turbo flat-four engine is very distinctive in many respects. Sadly, it only survives in the U.S. mainstream through one ...

Porsche is nearly synonymous with six-cylinder boxer engines, which powered many of its most iconic models. However, throughout its history, the German manufacturer also developed several cars that ...