The only way you'll know if your car hits the 200,000 mile mark is by ... If both your odometer and speedometer are not working, then it's likely your speed sensor needs to be replaced.

Rumbling noises in a 10-year-old car could be tires or suspension issues. If your speedometer is reading high after an oil change, the unit may have been switched from miles per hour to kilometers.

Rumbling noises in a 10-year-old car could be tires or suspension issues. If your speedometer is reading high after an oil change, the unit may have been switched from miles per hour to kilometers.