Weighed my car today

That's at least a couple hundred less than i would have guessed.
Im not sure of the accuracy of scales at the dump either, with that light a load. I havent seen scales (at a dump)yet with better than + or - ten lbs.
I think i would believe racetrack scales more.

Since they use the scale for commercial purposes it's probably sealed by a county or state or both. If the scale is electronic it's probably within 2 or 3 pounds + or -.