Quote:
Originally Posted by memason
I believe a small variance over the speed limit is normal for most police officers.
A speedometer is a mechanical device that has some amount of error. That error is probably linear, if your speedometer is off by 2 mph at 30 mph, it might be off by 5 or 6 mph at 60 mph and above.
In my car, the error is actually under, so at 70mph, I'm actually doing about 67 or so.
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On my current car (2014 Saburu Outback AWD) the variance is 2 mph- linear. EX. reads 40 - actual 38.
It has been the same on at least my last 5 new cars, Japanese, Korean, and Lincoln Navigator.