Four-cylinder engines are usually associated with efficiency and compact packaging, yet a handful of engineers have stretched the format to astonishing sizes. The five engines below represent some of ...

Even if you're not an automotive enthusiast, you may have noticed in recent years that more and more vehicles have a four-cylinder engine under the hood, including larger cars and SUVs. Automakers ...

"Here comes the Porsche 3.0-liter inline-four," you might be saying to yourself. Sure, it'll be on this list, but Porsche's uber-four is a weed-whacker engine compared to the ultimate ...