The biggest positive feature of having a car GPS system is unparalleled for those who are frequent commuters. It is one of the biggest assets given to its features of detection of traffic an other such activities in the most efficient way.

In general there are three major makers in the GPS market namely Garmin, TomTom and Magellan. The companies classify these systems into basic and premium ones based on their attributes and designs they are made available in.

Garmin company is one of the pioneers in automotive GPS technology with global presence. In all there are about 28 discontinued models of the Garmin GPS in the nuvi series like 2x5 series 7x5 series 3700 series 1200 series 1300 series 1400 series 295w and 1690 series. The features that all the models possess are slender look convenient a travel gizmo's and also an amusement system. One can make use of it as mini travel guide to get into the most adventurous trip they have ever had.

There is another model known as TomTom having the similar Portable Navigation Devices(PND's) like other car GPS systems in the market. Their GPS provides digital mapping that improve the quality of both navigation and the user's navigation experience and the end result will be superior maps that will benefit consumers.

There is another company amongst the three GPS system named Magellan and it has two series like the Roadmate and the Maestro series. Though all these models are quite different in many ways some of the common features that all of these posses are map reading traffic alerts in both image and text and the sturdiness of the product.

One of the market leaders is the Garmin nuvi GPS system that makes it at the top of the three companies present in the market due to its excellent features. This model is so tiny that it can be kept in ones pocket and can support its battery from 4 to a maximum of 8 hours. It can even get charged mechanically from the AC or DC current. It comes with all the additional features like a "Travel Kit" that includes Language Guide, MP3 Player, audible book player, picture viewer, world clock, currency and measurement converters and of course a calculator. There is no other GPS system that has a precise signal receiver than the nuvi models. It gets updated in as little as a jiffy and spontaneously. It also has an SD slot for any additional memory requirements though the storage of 700 megs should be sufficient for a beginner.

The market leader no doubt is the Gamin GPS which has the top class features like in the nuvi 295w having wi fi services nuLink and the ecoroute.

Again it is left to the discretion of the buyer to conduct a thorough review of all the features of the Garmin nuvi in choosing the appropriate one. The essential things to look for before deciding on a specific model are ease of use, performance, design and features apart from the value for money that one gets by choosing a specific model.