There's no need to sugarcoat what bad piston rings can do to your engine. Those rather thin cast-iron or steel rings may look small and irrelevant to untrained eyes, but they play a vital part in ...

Follow the BMW E30 Touring engine bay restoration as the freshly prepared engine is carefully installed back into place. From detailing the bay to precise alignment and final fitment, every step ...

Audi has confirmed to staff that it will forge ahead with a production version of the Concept C, a battery-powered sports car primed to share its new architecture with the electric Porsche 718. This ...