I agree with Jasper on a good indication on mileage is the pedal pad wear. Dad and I both keep our vehicles for a looooooooong time and a lot of miles. Even if someone does a refresh/restore, they don't replace the rubber pad on the pedal.
Here are some examples:
Here is my 2003 Excursion with a documented 170,000 miles:
Here is my 2007 Infiniti QX56 with 76,000 documented miles:
This is my 2007 Crown Victoria Police Interceptor with a documented 165,000 miles:
As you can the pedal wear with the different miles, and different position of the pedals shows the wear.....
Here are some examples:
Here is my 2003 Excursion with a documented 170,000 miles:
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Here is my 2007 Infiniti QX56 with 76,000 documented miles:
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This is my 2007 Crown Victoria Police Interceptor with a documented 165,000 miles:
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As you can the pedal wear with the different miles, and different position of the pedals shows the wear.....