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 ...

Thanks to GPS satellites, ClassicInstruments' Sky Drive can turn your speedometer into the world's most accurate speedometer possible by updating 10 times per second! Plus, it can be a GPS enabled ...

This GPS-powered head-up display projects your speed directly onto your windshield for just Dhs 26 (down from Dhs 58). Works ...

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 ...

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 ...

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 ...

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.

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 ...

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 ...