These two models both feature some similarities. The Nuvi 360 and the Nuvi 660 both feature Bluetooth compatibility for hands free calling, both feature FM traffic receiver compatibility (although the 360’s receiver is an optional addon, it is compatible with it should the user wish to add it), both also have all the entertainment package which allows mp3 and audio book playback. There’s also the usual travel tools including calculators and such for both models. There is not too much difference between these, except the 660 does feature a very attractive widescreen display. Both Nuvi 360 and 660 are usable in North America.

Garmin’s Nuvi 660 recommended to:

The Nuvi 660 is designed for the veteran user who is frequent on the roads that wants navigation, entertainment, and other tools to ultimately better their travel experience within North America.