Even if you're not an automotive enthusiast, you may have noticed in recent years that more and more vehicles have a four-cylinder engine under the hood, including larger cars and SUVs. Automakers ...

While most engines have the same number of spark plugs and cylinders, some four-cylinder blocks have two plugs for each ...

Big, naturally-aspirated engines are cool, but not the only way to generate horses. Engineering and ingenuity give these four-cylinders major power.

"Here comes the Porsche 3.0-liter inline-four," you might be saying to yourself. Sure, it'll be on this list, but Porsche's uber-four is a weed-whacker engine compared to the ultimate ...

Photo: Honda Motor Co., Ltd. Often ridiculed by many gearheads, four-cylinder engines can be as potent as those with twice as many cylinders. Four-cylinders were among the first types of internal ...

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 ...

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 ...

Ford Motor Company's 4-cylinder engines have always been popular with the hot rodding set. Even in the days of the flathead, a beefed-up flattie four Ford was a force to be reckoned with. And as the ...

From the October 1987 issue of HOT ROD: A Super Duty conversion kit that could give your Fiero the kind of performance its styling implied. Pontiac's Super Duty 4-cylinder engine has established a ...

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 ...