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

Our cars can make some pretty strange sounds. If you drive them for long enough, you'll most likely experience some fairly unsettling noises at some point or another. While any unusual sound coming ...

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 ...