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

Because of its long, low, and somewhat bulbous design, the concept resembled a torpedo, which led to the project's unofficial ...

When shopping for a high-quality used car or SUV, who wouldn’t be against a vehicle with a luxury badge that’s loaded with ...

General Motors' modern Ecotec engine family first saw the light of day in 2000, when a 2.2-liter inline-four making 147 hp debuted for global use in the Opel Astra — the German brand was a GM ...

Discover how MotoGP Engine Braking works, why it’s vital for control, performance and safety, and how advanced electronics ...