

And some make it easier than others to update your maps.īest Buy sat navs – see which devices and apps have aced our rigorous lab tests and whether any built-in models made the cut. Others, such as Audi, give you free updates for an initial period but charge you a hefty amount after that, while Kia and Vauxhall charge you for every update you make. Some car manufacturers, including Citroen and Volvo, offer free updates over the life of the car. That’s especially true for those who frequently drive using sat nav.īut the cost of having the latest maps varies dramatically.

Most built-in models cost more to add to a new car than even the most expensive Best Buy portable sat navs, but the convenience of not having to remove it each time you leave the car – and the potential for improved returns when it comes to selling – make them an appealing option. Sat navs have become a permanent feature of modern motoring. Keeping your built-in sat nav maps up to date could range from being free for the lifetime of the car to costing £164 per upgrade, according to a Which? investigation into nine of the most popular built-in navigation systems currently available.
