GPS keeps rerouting while driving and it’s same on every navigation app.

When I am driving my location automatically shifts to 20-30 metres away from right to left directions and arrow keeps moving in different direction and navigation starts rerouting even if I am on the same route.when this happens it happens on every app like Apple Maps google maps Waze.It’s very hard to go somewhere because all of a sudden you are going on a street and gps thinks that I am on a adjacent street and starts rerouting.

I was using iPhone XR earlier I thought there must be an issue with the phone so I bought iPhone 15 but still this problem is in my new phone too.

kindly guide me