Motorcycle engines commonly have unique nicknames, like Harley's Knucklehead. Similarly, single-cylinder bikes are often ...

Gasoline and diesel 5-cylinder engines have left their mark on history, but their time is up as new European emissions ...

Inline-six and V6 engines are built differently, but torque output depends on more than design. Here's what sets them apart ...

It's an argument practically as old as the combustion engine itself: What's the best configuration of cylinders? V6 or V8, V8 or V12, straight engines versus V engines, and so on. And, in this case, ...

Bigger isn't always better: here's why engine designers obsess over bore, stroke, and cylinder size.

City driving places a premium on vehicles of a smaller size, better affordability, and high fuel efficiency. Not car engine ...

The five-cylinder engine is uncommon relative to the ubiquitous four-cylinder, six-cylinder, or eight-cylinder variants. As an odd-number engine, it certainly is in a class of just three such engines.

Six-cylinder engines often live in the shadow of their flashier and noisier V8 and V12 cousins—but don’t be fooled, these workhorse powerplants have powered some of the greatest cars in automotive ...

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It would have been revolutionary: an internal combustion engine without oil. And it might have worked. But lots of real-world issues got in the way.

When installing a performance cam, many owners lose the engine’s cylinder deactivation feature. Here’s why you may want to keep it active. Manufacturers of modern V-8 engines have realized that we don ...