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Don't U-turn on sat navs

If you've ever been let down by a weak sat nav signal or directions that came just a tad too late, you'll know not all sat navs are equal. 

But how can you tell the high performers from the just plain ugly? The experts at Which? are sat nav whiz kids here to point you in the right direction.

Which? tests dozens of sat navs to sort the Best Buys with accurate maps, clear signposting and timely warning systems from those that are best avoided. 

We give you this advice without any jargon, giving you peace of mind that you're not going to regret your choice when you hit the busy streets in rush hour.

Along with all this valuable sat nav advice, by joining Which? you’ll get full access to reviews and expert opinion on thousands of products, from digital cameras to laptops, taking the risk out of any purchasing decision.

Take a trial to Which? and get full access to all our reviews.

Sat nav reviews you can trust

At Which? our team of experienced experts are continually subjecting the most popular sat navs to the most challenging tests. 

We've reviewed hundreds of models from 25 of the top brands, including Garmin, Sony and TomTom as well as systems for phones and PDAs.

Each sat nav is put through the exact same tough tests in the most demanding locations – busy city streets, complicated motorway intersections and tricky roundabouts. We judge how good their calculated routes are, the clarity of information on-screen, the timeliness of the instructions and how quickly they recalculate alternative routes. 

We also rate them for the irritating niggles like how easy the interface is to use and how simple they are to remove when you leave the car.

What makes a Which? Best Buy sat nav?

A Which? Best Buy sat nav will make it easy for you to get from A to B every time. And if you’ve ever had a ‘senior moment’ in a supermarket car park, you’ll know how useful a good ‘Where am I?’ function can be. Out of all the sat navs tested, we've only given a few of them the coveted Which? Best Buy award.

Which? Best Buy sat navs aren't about the most expensive, feature-packed products. We award Best Buys on value for money and warn you about models with pricey map updates so you can avoid the money pits and stick to your budget.

More ways to save money

Joining Which? gives you access to all of our reviews and Which? Best Buy recommendations, covering thousands of products. And if you're still baffled, you can always pick up the phone and call our helpline team for more personal advice.

Best of all, you can sample the benefits of Which? during a trial. So you'll have a clear direction when it comes to choosing the perfect sat nav for you.

Sign up for a trial membership to Which?