The four-cylinder is widely regarded as a “small” engine, but cylinder numbers don’t always tell the story, as this V6-sized “four” will show.

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 ...

Four-cylinder engines have been part of the automotive scene for over a century. Yet the quest for more power under the hood dominated most of the 20th century, giving rise to six- and eight-cylinder ...

Today's 4-cylinder cars offer a better combination of performance and efficiency than ever before. Although the engines themselves continue to get smaller in displacement, they're able to make more ...

"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 ...