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 ...

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 ...

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 ...

Here are the best engines in 2026 for towing, fuel efficiency, and more.

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 ...