The turbocharger is more popular than ever, appearing on the Ford Mustang, the Dodge Charger, and the Chevrolet Corvette.

Ram’s twin-turbo Hurricane inline-six is replacing the long-running Hemi V8 in key truck and SUV models, and that shift has owners scrutinizing every early report of problems and praise. I set out to ...

Mercedes AMG has cranked out a gem of an engine. The hand built M139 is a 2.0L turbocharged inline four-cylinder that makes ...

The five-cylinder engine is uncommon relative to the ubiquitous four-cylinder, six-cylinder, or eight-cylinder variants. As an odd-number engine, it certainly is in a class of just three such engines.

Engine knock is the sharp, metallic sound that cuts through the hum of a healthy engine. At its core, engine knock is a problem of timing. In a knocking engine, parts of the air-fuel mixture don't ...

Illustration: Kelsea Petersen / The Athletic; Takashi Ayoma / Getty, Antonio Calanni / AP Formula 1’s car design revolution for 2026 is the biggest in a generation. Not only are the chassis designs ...

In the interest of preserving hot rodding history, we frequently republish old stories simply for the fun of it, but in cases like this camshaft technical overview from three decades ago (“Choosing ...

An engine number is a special alphanumeric code that is imprinted on a motorcycle engine, and its primary use is as a unique identifier for the engine. Manufacturers differ on what is included, but ...

Generally, we associate inline-six engines with pretty excellent reliability; for example, the ultra-reliable 4.0-liter straight six in classic Jeep Cherokees routinely reach six-digit mileage counts ...