A Nuvi commonly refers to a Garmin Nuvi. A Garmin Nuvi is a personal navigation system equipped with GPS. It is commonly used for setting routes for driving.
Check out the Garmin nuvi 1690, nuvi 755T, nuvi 765T, nuvi 775T, nuvi 855.
This nuvi 880 not only tells you where to turn but listens to your spoken commands. With nuvi's innovative speech recognition, you safely control nuvi's interface with your voice.
The WT has lifetime traffic.
Except for the nuvi 5000 (for RV's and trucks) and the nuvi 465T (for trucks), all of the nuvi models can be used for walking around.
The Garmin Nuvi series is one of the best-selling GPS models, particularly the Nuvi 50, Nuvi 65, and Nuvi 2589. These models offer a good balance of features and affordability, making them popular among consumers.
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Garmin is currently leading with the top 3 GPS devices. Including the Garmin nuvi 255W, Garmin nuvi 1690, Garmin nuvi 3790T.(http://www.consumersearch.com/auto-gps)
You can purchase a Garmin nuvi 350 GPS Navigator online from the official Garmin website. Alternatively, you can purchase a Garmin nuvi 350 GPS Navigator from Amazon.
One can purchase a Garmin Nuvi 660 GPS device directly from the manufacturer's website. One can also buy a Nuvi 660 from electronics stores such as Best Buy or Radio Shack.
In the last several years, Garmin has become a leader in the GPS market. One of their most popular models is the Nuvi. There are many variations within the different Nuvi models, including: screen size, Bluetooth capabilities, text to speech, and other features. The Nuvi has proved to be one of the bestselling navigation systems on the market. Since each Nuvi is equipped with different features, each unit is specific to an individual's needs.
Besides you can get detail maps for your Nuvi, you can create POI's (points of interest) of special places, or you can get the POI Files from several places.
The basic difference between the two is bascially one is upgraded. The Garmin nuvi 350 has a new sirf chip that makes it extremely accurate i recommend the garmin nuvi 350 check out this review site it gives more details. just check this out http://squidoo.com/garminnuvireviews