(30-05-17, 01:50 PM)darrsi link Wrote: Is a sat nav more reliable than a speedo though?
I reckon it is.
I've read before that it is against laws/regulations for speedos to read less than the actual speed and therefore manufacturers 'play it safe'.
When my car speedo reads 30mph the sat-nav reads 28mph.
At 40 on the speedo it is 37mph on the sat-nav.
At 70 on the speedo it is 65mph on the sat-nav.