A V6 engine is the perfect combination of power and fuel economy, but when it comes to reliability, some missed the mark.

The problems were so vast that even one of the best diesel engines ever made by ... with knowledge of a worst-case scenario for your upcoming purchase. The M57 engine from BMW is one example ...

On the other hand, it’s somewhat rare for a car with a terrible-sounding engine to become a legend. That’s brought us to our ...