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What's behind our GPS Ratings?

Experts at our National Testing and Research Center tested 124 models in GPS to see which ones perform best.
We look for:
  • Overall score
    This score mainly reflects how easy a navigation system is to use, combined with factors such as information given, portability, and routing options. The displayed score is out of a total of 100 points.
  • Ease of use
    Ease of use score is based on an assessment of the physical interface, touch-screen control, programming logic, and readability. Testing considers such things as whether the database allows dynamic searching for addresses, if unlikely letters are grayed out, ease of entering into navigation menus upon start-up, ease of finding points of interest, and ease of adjusting common functions like volume, brightness, and map zoom setting.
  • Routing
    Our routing evaluation looks at the choices for fine-tuning a route and calculation time. Specifically, we factor multi-destination routing, avoidance of toll roads, biking routes, walking routes, RV/truck use, and availability of foreign map databases. In addition, we measure system response time when operating data-entry menus, such as POI searching.
  • Info for driver
    Based on the on-screen and audible information given to the user during navigation. Includes type and font size of on-screen information, ability to speak proper street names, languages supported, and amount of audible information given including descriptions of the next maneuver, including lane assist and reality view.
  • Mount design
    Considers how the mount is engineered, factoring size, security, and ease of installation.
  • Display
    Based on brightness, contrast, and glare/reflections in bright sunlight. Considers ratio of screen size to overall device size for packaging efficiency.
  • Traffic interface
    Rates the presentation of the traffic information and the ability to put the data into use. Rating factors include antenna design, color coding for traffic severity, depth of information, estimated time for delay, and tools for rerouting around congestion. However, we do not rate the accuracy or timeliness of the traffic information itself.
  • Tested battery life (hrs.)
    After being fully charged, the length of time in hours that the unit remained on, while set to full brightness.

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Recommended GPS

Recommended GPS are standout choices with high scores. They include CR Best Buys, which offer exceptional value. When narrowing your choices, weigh features, price, and attributes that matter to you.
A portable GPS system will usually guide you to your destination. The highest-rated GPS models make it especially easy to enter destinations and they give the most helpful directions. If you're looking for information about GPS systems, Consumer Reports is your best resource. Consumer Reports’ GPS reviews will give you honest buying advice that you can trust. Use our GPS buying guide to discover which features are most important to consider. We also provide unbiased Ratings and GPS reviews to help you choose the best GPS system for your needs.

Recently reviewed GPS

This Garmin has a 5-inch LCD screen. It is preloaded with maps covering the United States, Canada, Mexico, and Puerto Rico.

GPS buying guide


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