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 ...

More automakers are turning to four-cylinder engines to find an ideal balance between performance and fuel efficiency. But not all four-cylinder engines are created equal. While more modern ones are ...