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The most prominent use for a GPS is in cars for navigation. Portability means ability to move from place to place. Several factors should be considered when buying a portable GPS for cars:

Attaching the GPS:
Manufacturers have included the mounting bracket with a suction cup to attach it to either the windshields or to the flat surface of the dashboards. The current car dashboards have designs which are indented or sloped which makes attaching the GPS difficult and easily detachable.

Also attaching the GPS to windshields is against the law in some states. Some of the larger screen sized GPS prevent visibility to some extent and distract the drivers. Portable GPS can also be fixed to air vents. But its problematic as it can cause damage to the vents and prevent airflow to some extent.

Mapping and Navigation:
As they are portable it is best to have the latest updated maps installed regularly. This is done either by the lifetime free map updates or purchasing the maps online from the manufacturers sites. The best portable GPS for cars have the text-to-speech feature for voicing out the street names or locations, or the preinstalled Points of Interest.

Having a clear intuitive voice giving you directions is an added bonus when using the 2D or 3D maps. Usually the built-in speakers are sufficient to relay the directions but some car GPS can do it through the car�s audio system.

Design and connectivity:
Being portable means lightweight, durable. The design must have at least 4 inch screen for better viewing and large buttons for navigation. Touchscreens make the job easier for entering the destinations and point of interests. There should be USB/SD card connectivity for downloading the online updated maps or for transferring the maps from your PC/phones.

Price factor:
The portable, cheap GPS for cars with basic navigational facilities cost around $100 while the top end models with live traffic updates, internet connectivity etc can be upwards of $500. Depending on the features, the top brand such as Garmin, Magellan, TomTom make the best portable car GPS.

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Garmin nuvi 3597LMTHD

Garmin nuvi 3597LMTHD Portable Bluetooth Vehicle GPS


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Garmin nuvi 3597LMTHD
Garmin nuvi 3590LMT
Garmin nuvi 2597LMT
Garmin nuvi 54LM
Magellan SmartGPS
Garmin nuvi 3597LMTHD Portable Bluetooth Vehicle GPS
Garmin nuvi 3590LMT GPS Receiver
Garmin nuvi 2597LMT Bluetooth Portable Vehicle GPS
Garmin nuvi 54LM Portable Vehicle GPS
Magellan SmartGPS
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Release Date
Jan 2013
Feb 2012
Jan 2013
Jan 2013
Mar 2013
Designation
Automobile
Automobile
Automobile
Automobile
Automobile
Screen Size
5.0 inch
5.0 inch
5.0 inch
5.0 inch
5.0 inch
Map capabilities
Internal, Download maps
Map cartridges / Data cards
Internal
Internal
Internal
Form Factor
Portable
Fixed
Portable
Portable
Portable
Input Method
Touch Screen
Touch Screen, Voice Command
Touch Screen, Voice Command
Touch Screen
Touch Screen
User interface
Touch Screen, Voice Command
Touch Screen, Voice Command
Touch Screen, Voice Command
Touch Screen
Touch Screen

  • The Nuvi 3597LMTHD continues to refine Garmin's brand of navigation with premium design and one of the best interfaces in the business.


  • Garmin has done it again with the nÃ?¼vi 3597LMTHD, a high-end portable GPS device that continues to set the bar for the genre. The question is whether there's a market for pricey in-car navigation systems these days.


  • Overall the GPS did a good job at doing what it is designed to do. It has an easy-to-navigate interface that's made even easier to use by voice commands. Finding destinations using the search feature was easy and accurate. The Nuvi always chose the quickest, most logical routes and displayed accurate traffic data. Despite all that, we do cringe at the $350 retail price tag.


  • It's getting tougher to make the case for high-end GPS devices, but the fully loaded Garmin 3590LMT easily succeeds. It's a worthy purchase if you have the cash.


  • The Garmin nuvi 3590 LMT is a high-quality, feature-rich sat-nav. As we've commented before with regard to the Garmin smartphone app and the nuLink 2320, the Live services do get a bit pricey. If you purchased all of them, you would be paying £62.24 a year, which is significantly more than TomTom currently charges for its LIVE services. However, the device does come with lifetime map updates and lifetime RDS-TMC traffic, so you can get traffic information without the enhanced 3D Traffic service.


  • A resourceful approach to smart sat-nav but too fiddly to be a winner.


  • Garmin's midrange nuvi 2597LMT comes with some useful new features, but it's priced a bit high for what you get.

  • Rating Unavailable

    With the exception of the poor Bluetooth sound quality, the 2597LMT is a worthy successor to last year's 2595LMT. The most notable improvements are active lane guidance, the up ahead feature and traffic announcements. Is it worth it to get the 2597LMT over the 2557LMT, given the Bluetooth issue? For me the answer would be yes, since I am often out on the road alone and the voice command feature works very well. Except for that nagging Bluetooth issue, the 2597LMT is one of the best nuvis yet.


  • Garmin's midrange nuvi 2597LMT comes with some useful new features, but it's priced a bit high for what you get.

  • Rating Unavailable

    Highly recommended. The only trouble I had testing the Essential series was that it wouldn't connect to the computer once. But after I used it in the car, I was able to bring it in and connect it with no problem. This is a basic navigator but it has all the features most people will need. An improved mounting system and faster processor mark the most significant updates since the nuvi 50LM.


  • The Magellan SmartGPS bridges a gap between connected navigation apps and car-friendly GPS hardware with its ability to sync with the cloud and connect to the Web via Wi-Fi and Bluetooth, but its busy interface could use fewer moving parts.


  • The Magellan SmartGPS is an innovative take on the common standalone navigation device thanks to its smartphone integration, but it's overly involved and fussy to use.