Ever wondered why your turbocharged engine doesn't kick in right away when you press on the gas? Here's the reason why — and why it's so hard to fix.

You're on a long drive, and you decide to check your oil when you pull into a gas station. It's a little low. Is it a bad idea to add oil to a hot engine?

Air shocks and air suspension — also called air bags — are similar sounding systems with very different designs. Here's what you need to know about both.

As the search for the perfect do-it-all car continues, I implore more automakers to find that balance without the crutch of 15 different drive modes.

The technocracy is filling your plate with slop, America, and you're licking it clean.

While many drivers will be fine leaving their spark plugs set up the way they arrived, there are certain situation that might require some adjustments.

Upgrading your rocker arms can be a pretty significant undertaking for the DIY mechanic, so are the performance improvements worth it? Let's take a look.

BMW never built an E46 M3 wagon, so this well-done conversion is the next best thing.

An oil analysis might seem like an unnecessary upsell, but there are situations in which it can be useful. Here are the costs and benefits of the procedure.

What do you get when you make a Duster bigger? A silly name and a real worry for the likes of Ford and Hyundai

Fiat CEO Olivier François said battery-swapping tech will be offered to customers if trial is successful

French brand relaunches performance moniker at 24 Hours of Le Mans

After 11k miles, has our five-star car also become a long-term legend?

Compare with Saturday night, Sunday morning at Le Mans is a different world

Habib shares the secrets of Kia's design success with Autocar editor Mark Tisshaw