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.

BMW and inline engines, specifically, its six-cylinder straights, have quite a reputation within the automotive sphere. While BMW didn't invent the first straight-six engine, its take on the ...

For decades, the gold standard brand for a straight-six-cylinder-powered sport sedan has been BMW. But the gold standard doesn't necessarily mean being the only general game in town worth considering.