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 ...

What if you wanted to get more power than possible from a four-cylinder engine, but with a motor that wasn't as heavy and thirsty for fuel as a six-cylinder mill? The obvious solution for ...

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 ...

The lightweight showdown: Has downsizing gone too far, or is the three-cylinder engine the future of entry-level motoring? Inline-fours offer smoother operation and reliability; three-cylinders are ...