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 ...

A digital dash is cool and all, but analog gauges have lasting appeal. There’s something about the simplicity of a purely mechanical gauge connected directly to a vehicle’s transmission. Of course ...

Speedometer: Aftermarket modifications, such as different tire and wheel sizes or a change in the differential gearing, can cause speedometer inaccuracy. GPS: These devices are positional speedometers ...

There was a time, back before cyclometers and smartphone cycling apps, when some bikes came with novelty mechanical speedometers. While no one is suggesting bringing those back, Finnish startup Omata ...

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 ...

Speedometer is a nifty US$1.99 universal iOS app that provides a speedometer for cars and cycling, as well as start times, time elapsed, distance, average speed, maximum speed and your altitude. The ...