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 Toyota, the inline-four is like a signature dish, one its defining specialties. Over the years, Toyota has made some of the most reliable, exciting, and economical four-cylinder engines the world ...

The car manufacturing game has changed a lot over the years. We’ve seen trends come and go, and the SUV trend looks set to stay for an extended period. At the heart of that trend is an engine option ...

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 ...

Not every great idea nails it on the first try. Henry Ford designed and built nine vehicles before perfecting his formula with the Model T, and the Corvette didn’t even offer a V-8 engine until its ...

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 ...

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 ...