Knowing cars is about more than recognizing badges or talking about horsepower. In this video, we are counting down 20 things that prove someone does not really know cars.

From ignoring maintenance basics and misunderstanding dashboard warning lights to believing every car myth, judging vehicles only by looks, or thinking expensive always means better, these mistakes can reveal a lot. Some are funny, but others can lead to costly repairs, bad purchases, or unsafe driving habits.

We will break down the common things people say and do that show they may not understand engines, tires, reliability, fuel economy, or basic car care as well as they think.

Whether you are a car enthusiast, a beginner driver, or someone shopping for a vehicle, this list is full of useful reminders.

Watch until the end and tell us which car mistake you hear most often.