Hello here is the product comparison has minimal differences https://www.galaxus.ch/Comparison/11248574-9559421

Unfortunately, the information you have requested about the Tom Tom is not available and the question remains in the Community forum. We hope that other members of the Community will be able to answer your question. Alternatively, you can contact the manufacturer directly for further assistance.

Yes, it is possible. See https://www.tomtom.com/de_ch/navigation/maps-services/map-update-service/ Costs should be around 59Fr.

Current traffic information is only available via an internet connection.

Yes, the suction cup base is included. The USB connection is also integrated in it.

It won't happen to me. According to me, there are only 2 possibilities: Installation of them is too slanted, tilted forward. So it falls out or there is a fault with the unit.

I have never used the battery until it was empty. I think it will be about 1 hour 30 minutes. From my point of view, this is not a problem in the car, as it can be charged all the time.