Speedometer off I've noticed that my 2011 Nissan Versa speedometer is off by 5 mph. When I'm driving 70 mph. i'm actually traveling 65 mph. at 40 I'm traveling 37, at 30 I'm traveling 28. The vehicle has the factory recommended tires on it. I'm worried about my warranty going out faster that in should. Any suggestions?

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Over the years I have had many complaints of the speedometer being inaccurate, few times has it actually been the case, about 5% I would say. You can have the speeds checked for accuracy by any dealer using a known good vehicle speedometer pace car, done the test dozens of times. Normal speedo accuracy is plus or minus 3 MPH.
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