Silky smooth and impressively powerful, inline-six engines, with all cylinders in a single row, are praised by drivers for their sophisticated performance and distinctive engine note. As a result, ...

Sponsored Content. We may receive a commission on purchases made from links. The 6.7-liter Cummins turbodiesel inline-6 is one of the most widely used diesel engines out there. It has been fitted to ...

The first straight-six internal combustion engine design, produced by Spyker in 1903, led to widespread usage of similar designs over the following years. While V8 power would eventually dominate the ...