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Top five sat navs of 2017

By Hannah Walsh

We round up the year's best sat navs, from free smartphone apps to the most advanced big-screen standalone models.

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There’s no need to argue with a loved one over directions, or find yourself heading the wrong way down a one-way street. With a Best Buy sat nav you’ll get from A to B, trouble free, every time. Every year we review the latest sat navs, including new models from Garmin and TomTom, plus the latest and most innovative smartphone apps.

Each one is tested rigorously to ensure it’s easy to use, comes up with sensible routes and gives you clear directions you can follow when you’re out on the road. Whether you’re looking for a dedicated sat nav with all the latest features or a smartphone app that works brilliantly even when you can’t get a 3G or 4G signal, you’ll find what you’re looking for below.

Which? members can log in to see the products behind the scores. If you’re not already a member, you can take a Which? trial to unlock the table below and get access to all our online reviews – including our full sat nav reviews.

Best sat navs 2017

TomTom GO 6200
Today's best price £309.00
Which? score 79%
Tested Nov 2016
Best Buy
Overall navigation quality:
4 out of 5
Overall quality of audio instructions:
5 out of 5
Type:
Member exclusive
Traffic monitoring:
Member exclusive
European Maps:
Member exclusive

This high-end sat nav is pricey, but it's chocked full of features. Does the navigation also impress?

TomTom GO 620
Today's best price £214.00
Which? score 77%
Tested Nov 2016
Best Buy
Overall navigation quality:
4 out of 5
Overall quality of audio instructions:
5 out of 5
Type:
Member exclusive
Traffic monitoring:
Member exclusive
European Maps:
Member exclusive

Can this mid-range sat nav from TomTom keep up with the high-end option?

TomTom GPS Navigation Traffic (Android)
Which? score 75%
Tested Nov 2016
Best Buy
Overall navigation quality:
4 out of 5
Overall quality of audio instructions:
4 out of 5
Type:
Member exclusive
Traffic monitoring:
Member exclusive
European Maps:
Member exclusive

This app offers 50 miles of free navigation a month, perfect for the occasional driver. The spoken instructions are clear, and you can buy a subscription for unlimited navigation if you need to.

Garmin DriveLuxe 50LMT-D
Today's best price £219.00
Which? score 72%
Tested Jun 2016
Best Buy
Overall navigation quality:
4 out of 5
Overall quality of audio instructions:
4 out of 5
Type:
Member exclusive
Traffic monitoring:
Member exclusive
European Maps:
Member exclusive

While this model is fairly pricey, it's particularly easy to use, very responsive and ideal for hands-free navigation. If you're willing to spend big, this is the one to go for.

NNG Software iGO Navigation (Android)
Typical price £30.00
Which? score 72%
Tested Aug 2016
Best Buy
Overall navigation quality:
4 out of 5
Overall quality of audio instructions:
4 out of 5
Type:
Member exclusive
Traffic monitoring:
Member exclusive
European Maps:
Member exclusive

This is our top performing sat nav app. The map is clear and easy to read, and it does a great job of getting you smoothly through towns.

Which? drives sat navs harder to find the best

Which? tests dozens of sat navs every year, putting each one through a barrage of demanding tests. We’re sure that when we recommend a Best Buy sat nav, it will help you get where you need to go and not frustrate you.

We put every sat nav and sat nav app through a tough series of tests using a GPS simulator. This replicates driving a set route, including minor and major roads as well as a variety of junctions and roundabouts, so we know whether the audio and visual instructions are up to scratch. Using a simulator rather than going out on the road allows us to replicate exactly the same circumstances for every test sample used, so we can answer key questions about each sat nav fairly.

We don’t forget the basics, either. We set the device up and find out how easy it is to fit inside your car. We install maps and updates, and see whether finding postcodes and points of interest will be easy, or whether the sat nav struggles to find your destination. We assess the on-screen instructions, menus and displays, and test each sat nav with a number of different target destinations, including new addresses that some maps might not include.  

Which? goes these extra miles so you don’t have to. Independent and unbiased, we give you buying advice you can trust.

Now find the perfect sat nav for you by checking out our sat nav reviews.

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