Kia and Hyundai's Theta engines have been around for a while, but they're not without problems. Here are some of the most ...

There have been times when carmakers went all out with an engine but lost, often with catastrophic consequences. For instance, the EcoBoost was once touted as the future of Ford engines but now is ...

The Hyundai Theta II 2.4-liter engine has a reputation that’s hard to ignore. Recalls, lawsuits, and owner complaints have piled up, mostly due to engine failures caused by bearing wear and oil ...