Turbulent jet ignition from racing helps Jeep's new 2.0L engine deliver 324 HP with improved efficiency in the Grand Cherokee ...

Four-cylinder engines have long been seen as inferior to powerplants with more cylinders, such as inline-sixes and V8s. But ...

Turbocharging performance cars to improve efficiency and overall power figures has become big business in the last several years, mainly due to a turbo being the easiest way to solve these two ...

General Motors made the bold decision to introduce a 2.7-liter four-cylinder turbocharged engine in the full-size Chevy ...

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

Divulged by a GM TechLink document, the new L2R engine has been confirmed as the lower-output sibling of the L3B that General Motors premiered in 2018. The original application for the 2.7-liter turbo ...

This week Mercedes-AMG unveiled a new entry-level version of its seventh-generation SL roadster called the SL43, and it's the first SL since the original 190SL of the 1950s and '60s to use a ...

The advent of turbochargers on road cars began in the mid-1960s, during the muscle car era when the phrase "there is no replacement for displacement" meant more power output was best achieved with ...

While never really a contender for the musclecar crown, the Ford Thunderbird has always been blessed with a high degree of street savvy since its introduction near the close of '54. Oh sure, there ...

Ford Motor Company's 4-cylinder engines have always been popular with the hot rodding set. Even in the days of the flathead, a beefed-up flattie four Ford was a force to be reckoned with. And as the ...

Today's 4-cylinder cars offer a better combination of performance and efficiency than ever before. Although the engines themselves continue to get smaller in displacement, they're able to make more ...