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 ...

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 ...

When cruising along the highway, there is a large discrepancy (6 to 7 per cent) between the speedometer on my car and the readings given out by my GPS system. Which is more accurate? The art of the ...

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 ...

Lots of people get in touch with CarsGuide to complain about the accuracy of their car’s speedometer. When you drive an old HiLux ute, as I do, you often wonder just how far from the mark the ...

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 ...

My GPS regularly tells me that I am traveling between 4 and 6 miles per hour slower then my speedometer. How is the speedometer rating calculated, based of wheel turns or engine activity or something?

With all the technical wizardry in modern cars, why do speedometers routinely over read? I've used GPS/Satnav units in many different cars and the cars speedo is always over reading. Spookily this ...

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 ...

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 ...

As The Telegraph’s motoring expert, I weigh in on your car dilemmas to save you money and make your driving life easier Having spent brief periods in the motor trade and renting out cars, Alex decided ...