Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

One of the very first elements any automotive designer must consider is where to locate the engine. Whether it's a typical internal-combustion powerplant or electric motors, engines require a lot of ...

If you've ever driven a car into water that was deeper than you expected, you might have suffered the consequences of a submerged engine. While getting a car engine wet is no big deal, getting water ...