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.

Dreaming of a 7.2-liter Cummins in the next Ram HD? “It simply won’t fit unless we do, like, a Class 8 size front end.” ...

While General Motors produces its own family of Duramax diesel engines for a range of light-duty and heavy-duty pickups, there’s one Chevy truck line that stands apart, instead cradling a Cummins ...

The V8 diesel engine didn't have its greatest introduction, at least in the passenger car world. Developed for buyers seeking higher efficiency, Oldsmobile's V8 diesel-powered Cutlass proved to be a ...