Car speedo's are calibrated to sit under by 1-3 MPH as to avoid a backlash of drivers driving on the limit and maybe being just over and getting fined/stopped.
your sat nav is more accurate, mine...
Type: Posts; User: soundood
Car speedo's are calibrated to sit under by 1-3 MPH as to avoid a backlash of drivers driving on the limit and maybe being just over and getting fined/stopped.
your sat nav is more accurate, mine...