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, ...

BMW's iconic inline six engines have had a long and storied history for the Bavarian brand. The company's inline six origins go back as far as the company's first engine, known as the IIIa, developed ...

The mighty inline-6 (also known as a straight-six or I6) was once a common sight, powering any number of models from around the world. In the last few decades, however, the V6 has more or less ...