the two greatest selers of gps units and systems are garmin and tomtom (magellan is also pretty reputable). i prefer using garmin out of the three units.
There are a large number of highly-rated reliable GPS vehicle tracking systems available on the market. Garmin, Zoombak, Amber Alert, and Spark brands were rated most reliable GPS vehicle tracking systems by the Top Ten Reviews website.
Garmin and TomTom navigation systems are the two most reputable brands and are the two most purchased gps systems. I prefer garmin over tomtom; depends on each consumer.
There are many different types of automotive GPS systems. But, one that has the best reviews is the tom tom. Here is a link to some of the others. http://reviews.cnet.com/best-gps/
The cheapest GPS systems are good for casual use. These are not always the most reliable and up to date systems, and can have software incompatibility issues.
In my experience gps systems are very reliable. As long as you update the maps then one should have no problem getting lost or confused by the system.
I think most gps systems are quite reliable if you learn how to use them properply. The tomtom use to be the most reliable one and then competinion came out and many are just as good.
Depending on the brand, the price of an automotive GPS unit will vary. The prices of a Garmin have been listed for as little as 120, or as much as 290.
If a GPS system is being sold under a reliable brand name, it will most likely work very well. The best idea is to look the product up online before making the purchase. You may even consider buying a GPS online to save some additional money.
Magellan is just the name of a company that makes brands of GPS systems. They make car, handheld, and mobile GPS navigation systems and they are used the same way as any other brand of GPS systems.
No, nokia is known only for their cellphones not GPS'S... if you are looking for a good gps get Garmen or TOMTOM.
There are some very reliable live GPS tracking systems, but there are also some that are not dependable. When buying one, be sure to do your research and read reviews before making your purchase.
The cost of a GPS tracking devices depends on the brand and the model of the device. The price range for GPS tracking systems is anywhere from $50 to $300.