No product is without its weaknesses, however, and like a world class tennis player whose shots occasionally miss the line by a few centimetres, the One XL does have a few. The slow redraw in map browsing mode has to be the most annoying of these. It seems to take an age to redraw the roads when you move the map even by a few pixels.
Calculation and recalculation of routes isn’t the speediest either. It takes around 16 seconds – much longer than with either Mio devices reviewed recently – to calculate a route from north east to south west London, and 20 seconds to work out how to get from London to Dolgellau near the coast in Snowdonia, Wales.
Points of interest (POIs) display clearly and you can set the One XL to warn you when you pass one, but you don’t get the option to route via them automatically as the Mio C520T does. There’s also no indication of where the POI might be if it’s off the map screen.
The supplied screen mount is simple to stick to your windscreen – you just stick it on – but is just a bit too short and you have to tilt it down in order to get the TomTom on and off.
Finally, the One XL does not come with any speed camera subscription in the box as the Mio devices do. You have to either pay €30 for a one year subscription to TomTom’s own database or upload a third party database before this feature is activated.
All the complaints I’ve listed above indicate that this TomTom isn’t perfect. But they’re not major enough problems to persuade me that TomTom is about to relinquish its crown as the king of in-car sat-nav.
The One XL is easy to use, provides clear and sensible driving instructions and isn’t even that expensive – for £245 (check which maps are supplied before you buy) you can get the European maps version and if you shop around, the UK and Ireland version can be found for £200 or so – about the same as the equivalent Mio C520. Given a choice between the two there’s no contest, and even without the speed cameras it’s a straight sets win for the TomTom.
Score in detail