Powerful vehicles used to require powerful engines, but thanks to newer technology and improved efficiency, a 4-cylinder can ...

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 ...

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 ...

Their 1,299 cc inline 4-cylinder engines were also famously over-engineered; drag racers and street hooligans found most of the components good for well over double the standard power output, so it's ...