Though automakers like Stellantis, Mazda, BMW, and Mercedes-Benz are keeping a few straight-six engines alive in 2025, there are currently just two straight-six diesel powerplants left on the market.

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 ...

While the HEMI moniker is synonymous with legendary American V8 power, it was also used by the Chrysler Corporation in Australia for an iconic, high-performance inline-six that deserves to be ...