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

Modern diesel engines perform exceptionally well at 1,100 to 1,200 rpm. They deliver peak torque just a few hundred rpm above idle, and peak horsepower somewhere around 1,500 or 1,600 rpm. But what ...

The Engine Control Module (ECM) is a crucial component in a car, as it acts as the brain that controls various engine functions. It works in conjunction with multiple sensors, wires, and connectors to ...

The difference between traction control and stability control is like the difference between a GED and a master's degree or PhD in vehicle safety. Stability control is just traction control with more ...

When a tire slides relative to the road surface, whether skidding or spinning, bad things can happen—like accidents and riveting dash-cam videos. The engineering community first tackled the skidding ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

Jeeps are synonymous with carefree, go-anywhere, four-wheeled adventure, with or without the top down. To many owners, these are fun weekend toys that, as luck would have it, can also be driven to ...

The Honda CB350 C Special Edition blends classic cruiser design with modern technology. Priced at Rs 2.01 lakh (ex-showroom), ...