The main difference between the two is the maps. The TomTom Rider 550 Premium provides access to Worldwide Maps whereas the TomTom Rider 500 only provides Lifetime European Maps; you pay extra to download Worldwide ones.
The main difference between the two is the maps. The TomTom Rider 550 Premium provides access to Worldwide Maps whereas the TomTom Rider 500 only provides Lifetime European Maps; you pay extra to download Worldwide ones.