In the 1960s, two straight-six engines were pitted head-to-head: The Chrysler Slant-6 and AMC Inline-6. Both sold well, but which is the best overall?

When it comes to the modern-day straight-six, the M 256 is a force to be reckoned with. That's the designation for the most powerful straight-six engine in the current Mercedes-Benz lineup, which also ...

When shopping for a car, our mind often goes to horsepower. But in the world of semi trucks, balance and torque are the most important things. And that's where the inline-6 engine shines. Unlike a V8, ...

In an age when most car companies have shifted toward building the more compact V6 or a turbocharged inline-4, BMW has kept a candle on for the venerable inline-6, the best six-cylinder engine. In ...