Finding yourself driving down the wrong street, or having to constantly refer to a road map, can now be consigned to history thanks to the portable GPS navigators available today. To make sure you choose the best new GPS device, it is important to take a moment and consider how the models differ.First of all you should understand the benefit of a portable option as opposed to a fixed design. Portable GPS systems can be removed from one vehicle and used in another without any problems, also they can help to guide you to your exact location when on foot, and be used to remember where it was you parked your vehicle.Consider whether you would want a GPS navigator that can be operated by voice commands as well as through touch. As you would not want to have to fiddle with the screen when driving at speed, it is usually better to find an affordable voice operated model.It would make sense to opt for a device that can provide you with information relating to current traffic conditions. By having data such as this at your fingertips you can take a detour that would allow you to miss the worst jams and congestion.You may find it desirable to opt for a portable unit that is Bluetooth compatible. By doing so you would be able to make calls through your voice alone. As most countries have now in place strict laws that govern cell phone use when deriving, this feature is extremely useful.Road layouts can change on a continual basis. Opt for the best new GPS navigator that automatically updates its information on a constant basis. This can ensure that you are not told to travel on a longer route than what is actually necessarily, saving you both time and fuel.