Subaru built the only twin turbo flat four in a production car. Here is how this rare EJ20 setup worked, why it struggled, ...

In the performance world, there are only three cars left with a turbocharged flat-four engine. They are the Subaru WRX, Porsche Boxster, and its hard-topped sibling, the Cayman. According to Porsche, ...

The one-off Gunther Werks Turbo Speedster makes 840 horsepower, weighs 2600 pounds, and looks poised to snap a Titan into oblivion.

Although Subaru didn't invent flat engines, and isn't the only automaker still using them, those motors have become a defining characteristic of the brand. (The same can be said for all-wheel drive, ...

Porsche's GT boss suggests that the brand's naturally aspirated 4.0-liter flat-six's days are numbered.

I didn't expect to have strong feelings about the Nissan Murano during my test drive. But to be honest, I found myself ...