The Garmin interface uses a 6.1-inch touch-screen display that fully incorporates all audio functions, as well as Bluetooth, backup camera support and, of course, navigation.

The Expert: Matthew Medendorp is a professional gear tester and freelance writer who spends most of his weekly miles pushing ...

There is also Wi-Fi but no 4G option for connectivity without a smartphone. Sensors on the Garmin Fenix 6 include GPS, Glonass and Galileo for accurate location tracking, plus heart rate ...

The NEW Advanced sat nav series from Garmin (www.garmin.co.uk ... With three different size options to choose from - 5", 6" and 7" - the NEW Advanced Series offers you all the useful features ...