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

The turbocharger has brought significant improvements to automotive engines' output. In those engines, exhaust gas that leaves the cylinders after each combustion cycle is routed to the turbine, ...

Bespoke engineering meets raw power in this limited-run American beast, designed to challenge the world's fastest.

Donkervoort is as niche as they come. The Dutch brand is known as a purveyor of ultra-lightweight sports cars with direct steering, almost no driver aids, and the kind of road feel you just don’t get ...

While BMW certainly used to favor naturally aspirated engines, the German automaker has been relying on boosted fours and sixes much more frequently over the last 20 years. BMW has experimented with ...

With over 1,000 horsepower on tap, the twin-turbo 2025 Corvette ZR1 is hugely impressive, no doubt about it. Nevertheless, there are other ways to stuff four-figure engine output into the mid-engine ...

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, ...

Up until now, Ford didn’t bother making too many forced-induction versions of its most popular moniker that’s not a pickup truck or a Henry I brainchild. I am, of course, talking about the Mustang, ...

Tony Netzel treated his 1961 Plymouth Belvedere to the Pro Street look. The twin-turbo 440 backs up the looks with serious performance. There’s a lot of existential power in “just because”—the ...