Five-cylinder engines occupy a strange sweet spot in automotive history, sitting between the balance of a straight-six and the compact packaging of a four-cylinder. They have powered everything from ...

To the uninitiated, inline-5 is just another engine configuration. To the faithful, however, it's religion. Its warbling, off-beat sound is as charismatic as anything in the automotive world. But it's ...

The popularity of various engine designs typically fades over time as technological advances provide more power, better fuel economy, or both. Flathead designs gave way to overhead valves, and inline ...

BMW's S58 straight-six engine is extremely popular among tuners and enthusiasts, thanks to its robust internals and intense ...