While electric and hybrid power trains are leading in the performance race, when it comes to pure internal combustion engines, you'd think the only way to achieve horsepower heaven would be to get a ...

A five-cylinder motorcycle engine isn't common, but MV Agusta’s concept packs serious power, compact packaging, and 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 ...

Some four-cylinder engines use eight spark plugs for better fuel economy, efficiency, and emissions, though they can be ...

The Mercedes-AMG C 63 S E Performance is an engineering tour de force, boasting a plug-in hybrid powertrain generating 671 horsepower and 752 pound-feet of torque. But the internal-combustion part of ...