Garmin Overlander Robust All-Terrain Navigation Including OpenStreetMap Maps with Topographical Data in the Road, 3D Road Maps for Europe, Vehicle-Specific Routing, POIs, GPS/GLONASS/GALILEO : Amazon.de: Electronics & Photo
Different UK GPS map options for a Garmin GPS unit - viewing in Garmin BaseCamp - YouTube
Garmin Fenix 5x - Look at the TOPO Active mapping - YouTube