Clear, responsive touchscreen. Easy mount via suction cup. Highly reputable maps. Warranty comes in handy in case of defects.
Only covers 49 states. Maps for other regions must be purchased separately.
Stands out from others for having GPS and multimedia functions that include popular music apps and radio. Features an Android system; has Bluetooth connectivity.
Screen occasionally freezes, and sound sometimes cuts out. Software updates are frequent and can slow down the system while downloading.
3D images provide a more recognizable “real world” view. Touch and voice controls work well. Hands-free calling feature. Compatible with Siri and Google Now.
Must link to smartphone for traffic data, but not all phones are compatible.
Hands-free voice recognition. Night-driving mode offers clarity in the dark.
Suction cup cannot be removed. Screen may appear washed out in daylight.
Syncs easily to a smart device thanks to the responsive Bluetooth connectivity. Includes lifetime maps; gives detailed directions and information. Comes with a comprehensive accessory kit.
Sound could be louder. If you've owned an older model, it may take some time to get used to the interface.
Yes, it is possible to use your smartphone for navigation, but you're also using it for a half dozen other tasks. And, picking your smartphone up to study a tiny map is just as dangerous as texting and driving. In many cases, a wiser option is using a dedicated navigation system.
The best navigation systems are up-to-date and feature detailed information such as which lanes to use and the points of interest that are nearby. You'll want a model that is large enough to clearly see, but not one that interferes with your view of the road. A navigation system that uses voice commands is safer than taking your eyes and hands off of the wheel while driving.
If you're ready to buy, we have a selection of quality navigation systems highlighted. However, if you'd like more in-depth information on the wide assortment of features available before making your decision, keep reading.
A navigation system is a complex device, and there are many details to consider when making a purchase. To make our results as clear as possible, we organized our research results into these categories:
Display and controls
Maps and journey planning
Traffic, speed cameras, and other information
Communications and ease of use
Display and Portability
The Garmin nüvi 57LM Portable Vehicle GPS has a five-inch screen (measured diagonally) that is often complimented for its clarity — though it's not to the standard of some photo-realistic versions. It's touch sensitive, and the majority of owners tell us it's quite responsive. (One or two owners received defective units. These should be replaced under warranty.) Mounting is a simple process: simply adhere the GPS to your car windshield via suction cup. This is a secure set-up in most cases, but if a car is parked in extremely hot weather, the GPS should be removed. Other mounting options are available for an extra cost. The in-car charger cord is just a simple wire, and it does have a tendency to get a bit tangled. Several owners commented that they would have preferred a curly cable.
The most popular sizes for a navigation system’s display are 5", 6", and 7". However, models as small as 3.5” are widely available. Is screen size really a significant factor?
Most people with average vision find a 5" screen quite comfortable, but that opinion changes if the unit is mounted in a larger vehicle, such as a van or RV. Dashboard layout and driving position in those vehicles cause the navigation system to be mounted farther from the driver’s eyes than in a smaller sedan. A 6" or 7" model would be a better choice. The latter are particularly popular with professional truckers.
On the other hand, a big-screen GPS may not be the best choice in a compact or subcompact car. A 7” display in a smaller vehicle might seem to block too much of the view through the windshield! If possible, test drive a navigation system with your car to determine which size display is best for your situation.
Plot your destination on the GPS navigation system before you leave, so as to avoid any distractions on the road.
Screen clarity depends greatly on display size, but clarity is also affected by resolution. Older models deliver 480 x 272 pixels, while many newer ones offer 800 x 480 pixels. That pixel density can make a big difference.
Some owners complain that bright sunshine decreases visibility on a particular model, or that the screen is too reflective. Reviews can also indicate that a model isn’t bright enough. Changing the mounting angle of the screen often resolves these issues. Models that offer a night mode automatically adjust display contrast for better viewing in the dark. Before selecting a navigation system, check whether any display issues are indicated frequently across a significant number of customer reviews.
A car GPS navigation system can show you heavy traffic areas, shortcuts, and the like, but it cannot predict traffic lights. So always keep an eye out for changing lights.
Touch screen control has always been a feature of satellite navigation systems, and some models now offer a pinch-to-zoom function. However, on-screen controls require you to look away from the road and take a hand off the wheel.
Several of our top choices mirror smartphone and tablet technology by offering voice controls. Voice command can be safer than touch screen, but responsiveness and quality of the voice control system are very important.
For added safety on the road, it is advised to use voice navigation on your GPS system than having to take your eyes off to look at the map, and figure out your location and directions.
GPS data is updated constantly. Big cities have more detail than rural towns, but mapping of even the most remote areas is getting better all the time. Also, areas that are thoroughly mapped change frequently, hence the value of lifetime map updates. You might save a few bucks by not having this feature, but for us it's a no-brainer. All our finalists offer it.
However, downloading updates can be frustrating. Many owners find the process painfully slow, and on some models, we agree. Occasionally updating is impossible because the navigation system lacks sufficient memory. Manufacturers are working to correct and prevent these issues with each new model, but it’s still worth checking before selecting a navigation system.
Map display style varies between models. One useful feature that has become standard is additional lane guidance on a split screen when approaching an off-ramp or interchange. 3D technology is also being more widely used, providing a more realistic view of landmarks and surrounding buildings.
Actual route planning is also now available with many models, a major benefit according to the feedback we've received. Also, the sophistication of route planning preferences is increasing. Older navigation systems obliged you to choose to use freeways or avoid them; now you can mix and match to suit your preference.
Another popular feature is the ability to simply tap the map to select a destination, rather than typing in an address. It's particularly useful when you want to visit an area but don't have a precise location in mind.
If you are using a plug-and-play navigation system in your car, it is always better to either take it with you or hide it from plain sight when you leave the car somewhere.
POIs (Points of Interest) are nothing new in navigation systems. POI importance varies from one owner to the next, but this feature can be extremely useful when you suddenly notice you're low on gas.
Each manufacturer claims their POI functionality is better than the competition, but in truth there's little difference between them. The same is true for live traffic information. It's a great feature to have, helping you avoid serious roadblocks or major delays, but the key differentiator is the availability of the feature, not the quality of the information provided.
This wealth of live information seems tremendously useful, but most of these features are only available by connecting your navigation system to your smartphone. It's not hard to do via Bluetooth, but many owners feel the use of two devices is a bit of overkill.
While most GPS map data comes from satellites, companies like TomTom and Garmin also use feedback provided by drivers for many live details.
Manufacturers are constantly adding new types of live information to their navigation systems. You can be alerted to a sharp bend approaching, a school zone, speed camera, even speed bumps.
Some models provide weather information, or a warning that you've been driving for too long and ought to take a break.
Roadside assistance is available through some models, and you can even get help finding a parking space.
Surrounding buildings and weather conditions can affect the time a navigation system takes to find a signal.
We've already mentioned the option of voice control on some navigation systems. Whether finding your destination or locating the nearest coffee house, voice control allows you to keep both hands on the wheel and can increase safety. Voice recognition isn’t perfect, but the technology is improving rapidly.
Driving directions from the navigation system are also becoming more user-friendly. Manufacturers attempt regularly to make the navigation instructions sound more conversational. For example, the system might point out that the next turn will be at a light, or it might suggest stopping at a recognizable building. Older models tend to employ a “next left, next right” style of directions.
Data for the TomTom VIA 1535TM comes from a Netherlands-based company called Teleatlas. (TomTom is also based in the Netherlands.) Their European maps are considered extremely good, but some owners feel that their US maps are not to the same standard as Garmin's maps. TomTom claims that you get a million more miles of US mapping, but they don't say who the comparison is with. The TomTom VIA 1535TM provides lifetime updates for the US, Canada, and Mexico, but several owners had problems getting those upgrades. At the time of this writing, TomTom was aware of the problem and was working on solutions
Some modern GPS models take the Bluetooth and smartphone link further. They act as a hands-free display when receiving a call. You can see who's calling and decide whether or not to answer. They can also display text messages.
We don’t recommend navigation systems under $50. The quality of information in these models will be lacking, and feature sets will be small. Maps may be poor with few, if any, updates.
A top-of-the-range model costs more – around $350 at the upper end – but for that price you get the most important features, including lifetime upgrades. These models are well worth the investment, particularly if you travel frequently to unfamiliar places.
Nickel cadmium batteries suffer from “memory effect.” Their ability to hold a charge decreases over time. Higher-quality GPS units use lithium ion batteries.
When it comes to electronic gadgets, we're always tempted by the latest model. Each new release promises so much more than the last. But is that really the case? Our research, combined with customer feedback, resulted in a simple answer: it depends.
Some consumers love to get fully involved with their devices. They explore all the ins and outs, familiarizing themselves with every feature and capability. Others just want to turn the GPS on, enter an address, and follow directions.
The two leading manufacturers, Garmin and Tom Tom, cater to both groups. And the features they offer, plus the strength of their map data, really put them head and shoulders above the competition.
Most modern navigation systems can charge via USB in addition to their 12V in-car charger. Your GPS will charge faster when the device is off.
Garmin Nüvi and TomTom Via are both well-established, popular, and trusted by tens of thousands of users. These models are excellent choices for those who simply want to get where they’re going.
Garmin DriveSmart and TomTom Go are the next generation, already advanced and getting better all the time. With more features to explore, these models appeal to electronics mavens and people who like to get the most out of their gadgets.
For the moment, we feel the Nüvi and Via ranges have the edge in terms of price and performance, but it's a close call. Each product in our product list is an excellent navigation system.
With the Garmin nüvi 2539, you get all the features of the 57LM and a couple of enhancements. First off, you have "Real Voice" — a more human speaking voice for directions. Some owners prefer it, but most are non-committal; after all, there's nothing really wrong with the "plain" voice of the cheaper 57LM. Thanks to the photo-realistic view, the 2539's lane guidance is better. However, the major bonus with this model is its traffic alerts. The alerts warn you of impending problems — accidents, blocked roads, and other delays. Conveniently, the 2539 provides expected delay time and offers alternative routes. In spite of what might be considered "power-hungry" functions, the 2539's battery life is around 2.5 hours.
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