which is a better gps gramin nuvi 750, 680 or 660?

i’m really not sure and want to know which one is the best

The 660 seems to be the best deal. Cheapest of the three also.
It has Bluetooth built in (700 doesn’t)
Hard Drive Storage (700 doesn’t)
Mapping Software (680 doesn’t)
Weather/Traffic updates (700 doesn’t)
Hope this helps.

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