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 ...

Here's how car speedometers calculate how fast your vehicle is going. And here's why they may not always be accurate.

Can a tablet like the Google Nexus 7 be used as a navigation device on a motorcycle? Yes it can, but with some caveats. While it may not be the perfect solution, it is indeed a solution…and a pretty ...

Do you even look to see if the speedometer works when you buy an old car? When we shop for something built in the 1960s or 1970s, we assume the speedo needle winged off into the night or the cable is ...