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 ...

Mercedes-AMG's innovative M139 engine, combined with electrified tech, creates the most powerful four-cylinder powertrain.

General Motors' modern Ecotec engine family first saw the light of day in 2000, when a 2.2-liter inline-four making 147 hp debuted for global use in the Opel Astra — the German brand was a GM ...

Nathaniel is an experienced automotive writer with more than 10 years of automotive writing under his belt. From model reviews to industry politics to new innovations and development, he covers a wide ...

Off-road stalwart Jeep is borrowing racetrack technology from its Italian corporate cousin Maserati to boost the power and fuel efficiency of its latest 2.0-liter turbocharged 4-cylinder engine, ...

Nathaniel is an experienced automotive writer with more than 10 years of automotive writing under his belt. From model reviews to industry politics to new innovations and development, he covers a wide ...