Snooper Syrius wins Which? Magazine sat nav review with a score of 90% and rated 'Excellent' in every category.

We only use the guidance of Which? because it is the only truely independent test house in the UK. They take no advertising from manufactures so are completely unbiased. Furthermore they test the all important functions of the unit such as how well it actually navigates, not whether it has an MP3 player or built-in calculator! If you want an accurate picture of which product really is the best, then read this.