Forum Discussion
bsinmich
Aug 12, 2014Explorer
I still vote for the GPS speed being more accurate than the auto speedometer. Tire wear alone will account for a couple MPH from new to bald tires. I know that when watching the TV I get the signal 3-4 seconds earlier over the air than by the satellite.
About Motorhome Group
38,761 PostsLatest Activity: Nov 21, 2025