"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 ...

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 ...

Overhead-valve internal-combustion engines, in which the valves are located in the cylinder head and actuated by a block-mounted camshaft via pushrods, go way back in automotive history. Production ...

At a time when modern performance cars chase four-figure horsepower and 16-cylinder engines, Oldsmobile once built a best ...

Porsche is nearly synonymous with six-cylinder boxer engines, which powered many of its most iconic models. However, throughout its history, the German manufacturer also developed several cars that ...

Four-cylinder engines have long been celebrated for offering a great balance of fuel economy and affordability without the need to sacrifice everyday drivability. But not every four-pot powerplant ...

Though it's rare and might be considered an oddity by some enthusiasts, the inline-five has proved its worth on numerous occasions, particularly under the hood of these iconic performance cars.