Engines that once promised a decade or more of smooth, rumbling reliability are now packing up and quitting after barely five years. Modern cars gleam with technological wizardry, from turbocharged ...

For more than a century, one basic layout has quietly powered everything from family sedans to fighter trainers and lawn ...

Plenty of engines look great on paper but turn into money pits once the warranty runs out. Mechanics who see the same failures over and over are blunt about which ones they would avoid at all costs.