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 ...

When we think of a typical four stroke internal combustion engine, we think of metal. And for any type of longevity or performance, that’s certainly the right choice. But [Integza] wanted to see what ...

Pontiac's 151-cubic-inch 92-hp 4-cylinder production engine began in 1978 as the "Iron Duke." It was offered as the base engine in Pontiac Astras, Sunbirds, and other GM compacts like the Chevrolet ...

Toyota has kept one of its workhorse four-cylinder engines in production for roughly a quarter of a century, an unusually long run in an industry that constantly refreshes powertrains to chase ...

The in-line four-cylinder is the most widely used car engine in the world. But it wasn't always the case. Following the 1970s and 1980s oil crisis, auto manufacturers began downsizing to smaller ...