Remember calculating which speedo drive gear would make your speedometer and odometer read accurately after a gear and tire size change? if you own a new JK wrangler, those days are gone. Now the ...

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 ...

Concerned that your new car is faster than the speedometer says? Speedometers are designed to err slightly on the fast side, but your odometer should still be accurate, says Volkswagen. "Speedometers ...

If your business contains any transportation element, whether it is a courier or delivery service or a company car that is loaned out for business travel, you might want to invest in technology that ...

If you've ever performed any kind of driveline or wheel and tire swap, you're probably familiar with speedometer calibration. By stepping up to larger tires and/or wheels, the speedometer reads slow ...

Yes, but just a bit. A car measures the rotations of the axle and wheel. The speed is the distance traveled per hour (speedometer reading). The distance traveled (odometer reading) is rotations ...

DEAR CAR TALK: Will a car's odometer increase when being driven stationary on a mechanic's lift in a garage? - John RAY: Well, John, the answer to your question is yes, the speedometer and odometer ...

I've just bought a new 61-plate Toyota Prius which has a completely electronic dashboard display. Checking the speedo against a SatNav, it showed that at a constant 70mph indicated (held by cruise ...