Four-cylinder engines are usually associated with efficiency and compact packaging, yet a handful of engineers have stretched the format to astonishing sizes. The five engines below represent some of ...

For a street car, you might consider 400 horsepower to be a mighty figure for a highly-tuned four-cylinder engine. For the boffins at Elmer Racing, though, that’s nothing. Their latest four-banger is ...

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 ...

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 ...

Inline-fours offer smoother operation and reliability; three-cylinders are lighter and more efficient.

This little powerhouse is causing a stir in the automotive world. See what this could mean for the future of performance car ...

BMW just unveiled the M2 Racing, based on the roadgoing M2 — but instead of an inline-six, it has a four-cylinder engine under the hood. Has BMW gone the way of the E30 M3 and determined that ...

"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 ...