The inaccuracy of the speedometers used by most vehicles, even those in cars with the coolest gauge clusters, is well known. The good news is that most speedometers report speeds higher than the ...

Add Yahoo as a preferred source to see more of our stories on Google. I drive a SsangYong Musso, and the speedometer consistently reads a few miles per hour above my satnav. I have always believed ...

Are automobile speedometers set accurately or just “generally”? I always assumed that a car’s speedometer accurately reflected the driving speed, assuming there is nothing wrong with the speedometer.

In a modern car, your speedometer might look analog, but it is almost certainly digital and driven by the computer that has to monitor all sorts of things anyway. But how did they work before your car ...