Mazda's groundbreaking 6-stroke engine generates hydrogen from gasoline, but is it a game-changer or a pipe dream? Find out ...

Discover how Porsche's air-cooled flat-six boxer engine, from 1963-1998, defined the 911 and became the brand's signature ...

The inline-six engine was once the default choice for many manufacturers. Here are some that deserve to be remembered.

The inline-6 engine layout has its fans in the gas world, but it's the de facto standard design among diesel aficionados. Hardly surprising, as these engines are less complex than any V layout and ...

Built on its long-running Heavy-Duty Engine Platform, Daimler Truck North America’s new Gen 6 diesel engines utilize a novel pre-SCR system to meet the EPA’s strict 2027 NOx limits while delivering a ...

Don't expect the 409 under the hood of the next Silverado.

V engines have been held in high esteem for the longest time, boasting an impressive range of performance; from exotic sports cars zipping along menacingly on high-speed performance racetracks to ...

On the Chinese calendar, this year is the Year of the Fire Horse. On the Detroit calendar, 2026 is the Year of Horsepower. More than 100 trucks today produce the same nitrogen oxide emissions as a ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

It might seem like every automaker is ditching V-6 engines in favor of boosted four-cylinders these days, but don’t count the V-6 out yet. There are all sorts of appealing performance cars, trucks, ...