During the drive, the TomTom GO Premium can share location and arrival time with contacts (if you have an Android phone), and once the destination has been reached, the sat nav hands over to the ...

Both companies make the best sat nav systems out there ... All three receive updates via Wi-Fi, but TomTom says the flagship GO Discover updates three times faster than the others.

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.

A number of customers with TomTom sat-navs have been told that their devices will no longer receive map updates. "Your maps will become out-of-date and as such navigation will be less accurate ...

both died in a head-on collision after Ms Ahmed appeared to have followed "audio directions from her sat-nav application". TomTom said recent changes had been made to its verbal instructions.