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 ...

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 ...

While the superior power of V6 and V8 engines continue to prove popular with buyers, the truth is that many buyers just don't need the extra grunt. Four-cylinder engines are now more potent and ...

A: I recently spent some time in the Ford Explorer with the 4-cylinder EcoBoost engine. After driving it for a day, I stopped and opened the hood just to verify that it was actually a 4-cylinder ...

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

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 ...

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 ...

Pontiac's 151-cubic-inch 92-hp 4-cylinder production engine began in 1978 as the "Iron Duke." It was offered as the base engine in Pontiac Astras, Sunbirds, and other GM compacts like the Chevrolet ...

BMW is determined to stick with six- and eight-cylinder engines for as long as ICE exists, unlike rival automakers including Mercedes-AMG that have downsized in the era of electrification. Speaking to ...

In most cases, the number of spark plugs in a gasoline engine is typically represented by the number of its cylinders. For instance, it's perfectly normal for a V8 engine to have eight spark plugs, a ...