Route shown on Nüvi 300 satnav.
Upper view of a route. Night mode.
In the following images you can see the difference between OpenStreetMap and Garmin CityNavigator maps.
Hover mouse on the image to alternate between both maps.
Note all A-58 motorway is missing.
In City Navigator whole neigbourhoods are missing despite they were built 2 years ago. Detail level is much lower.