Many drivers notice a discrepancy between their vehicle’s speedometer and GPS readings. For example, when a speedometer shows ...

I drive a SsangYong Musso, and the speedometer consistently reads a few miles per hour above my satnav. I have always believed that the satnav would be the most accurate and reliable, but I recently ...

It happens quite often; we see many street machines with the most aesthetically appealing gauges, only to find out the speedometer is far from functioning. Some will rationalize that it’s unnecessary ...

You may be driving faster, or slower, than you think you are. Speedometer inaccuracies happen, and can be partially to blame for that seemingly bogus speeding ticket. Dan Edmunds, an automotive ...

Q:I operate two vehicles with two different aftermarket GPS systems, each gives me conflicting speed readings in relation to the vehicles' speedometers. Which is more reliable, the factory installed ...