If you've ever modified a car with smaller or larger tires or, perhaps, a different final-drive gear, you've immediately screwed up your speedometer. This is, of course, annoying, but for modern cars ...

450,000 cars sold each year are victims of odometer fraud —taking a car odometer and rolling back the displayed mileage to increase the perceived value of the car. Odometer rollback is a federal ...

The only way you'll know if your car hits the 200,000 mile mark is by having a functioning odometer. But the plastic gears that turn an analog odometer have a tendency to break, which causes the ...

I sometimes get a bit upset with manufacturers' explanations, or spin, in addressing issues raised by consumers. Regarding Subaru speedo issues, the statement by Subaru's spokesman that there is a ...

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 ...