Accurate, full of features and supporting a ton of accessories, the Garmin Edge 520 is a great GPS bike computer for competitive riders.
For anyone new to cycling and looking for a GPS device, the Polar M450 is hard to beat.
The eXplorist TRX7 GPS uses crowdsourcing to build a database of off-road trails around the country.
This combination of GPS and video camera comes from PC maker Acer.
Long-distance elite athletes will appreciate the accuracy of the GPS and heart-rate, but the high price tag makes it less appealing for everyday runners.
The flagship AVIC-8100NEX isn't just the top of Pioneer's line, it's one of the best, most fully featured receivers on the market. Just make sure you're not buying more functionality than you really need.
The Garmin Nuvi 2689 LMT is a strong performing navigator with loads of smart features that help reduce driver errors and distraction, but in a world filled to the brim with smartphone nav apps, most will never know its charms.
Pioneer's flagship AVIC 8000NEX boasts dozens of media and navigation options -- including the first aftermarket appearance of Apple CarPlay -- but most users will find a better feature-to-cost balance lower in the brand's NEX lineup.
Schwinn may sound like a company straight out of Wayne's World, but its CycleNav looks fun. For $59.99, you get a simple navigator that does a straightforward job.
The Nuvi 3597LMTHD continues to refine Garmin's brand of navigation with premium design and one of the best interfaces in the business.
The Securus eZoom tracking and safetly locator's hardware is quite good, but expensive operation costs and buggy software tarnishes its recommendation.
The Magellan SmartGPS bridges a gap between connected navigation apps and car-friendly GPS hardware with its ability to sync with the cloud and connect to the Web via Wi-Fi and Bluetooth, but its busy interface could use fewer moving parts.
The Parrot Asteroid Smart is a smartly designed and flexible multimedia receiver that hangs its hat on an app market that, for now, doesn't offer much choice.
The TrackPort GPS Vehicle Tracker is easy to install and use, and you can monitor the position and status of almost any car via its Web portal.
The Magellan RoadMate 9055-LM is a great navigator for those who think that size matters, but laggy performance causes it to fall behind much of its smaller competitors.
The Live Trac EZ is one of the simplest GPS vehicle trackers that we've tested, providing plug-and-play monitoring and notifications for a reasonable price.
The Parrot Asteroid falls a bit short on delivering the Internet and a rich app experience in the car, but it's still a solid receiver for users looking to add great digital audio connectivity and a top-tier hands-free calling experience to any vehicle.
The Garmin Nuvi 3490 LMT packs every trick in Garmin's book into an ultra-thin chassis, but the high MSRP will deter some.