The average car speedometer may be off by a few mph There are several GPS and 3rd party apps that show your actual speed The speedometer, of course, tells you how fast or slow your car is moving when ...

(AP) The speedometer on the Toyota Yaris says the tiny car can go 140 miles per hour. In reality, the bulbous subcompact’s 106-horsepower engine and automatic transmission can’t push it any faster ...

In the early days of motoring, there was no nationwide speed limit. This meant that drivers could theoretically reach very high speeds on certain public roads without worrying about tickets. However, ...