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 ...

You can use speedometer apps on your Android smartphone to find out the speed of your car, bike, or other vehicle. Speedometer apps tell you the current speed, average speed, over-speed alerts, trip ...

It was a GPS navigation system that got me thinking about a dedicated speedometer. The downside is the cost and the relatively small speed display in a device meant for route finding and directions.

Q: What would be more accurate, my vehicles speedometer or a GPS I have on my dashboard? A: They both can be accurate and inaccurate. Speedometer: Aftermarket modifications, such as different tire and ...

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 ...

Driving with a broken speedometer in your muscle car has sadly fallen out of fashion. As a tech in the '90s, I'd see vehicles with carefully crafted cheat sheets taped to the dashboard calculating rpm ...

I was interested to read your article about GPS digital speedometers as my Toyota Prado is several kilometres out at various speeds and I never feel totally comfortable when travelling through ...

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 ...

Nitrous bottles, big blowers, and lumpy cams are the usual suspects to look for when smoking a hot street car out of a dimly lit alley, but why not just look at the gauges? As a hot rodder's general ...

You’re right that GPS is usually more accurate than a speedometer. By law, manufacturers have to make sure that cars’ speedometers don’t underread, and as a result, most of them set theirs up to ...