We've put the ten best in-car infotainment systems to the test, judging them on usability, performance, connectivity, sat-nav and cost. Together with Alphr.com, we've rated each car out of five. <br /><br />See the full test here: http://carbyr.uk/1l7b0uF<br /><br />Click the links below to see how other systems stack up - <br /><br />Audi MMI: http://carbyr.uk/1QdJcQv<br />BMW iDrive: http://carbyr.uk/1Tulfo9<br />Ford SYNC 2: http://carbyr.uk/1IDQHtF<br />Jaguar InControl Touch: http://carbyr.uk/1NH5paW<br />Mazda MZD Connect: http://carbyr.uk/1IDPRgA<br />Mercedes COMAND: http://carbyr.uk/1IozCZY<br />Nissan Connect: http://carbyr.uk/1N3kSML<br />SEAT Full Link: http://carbyr.uk/1lWXfic<br />Vauxhall Intellilink: http://carbyr.uk/1PuGCXO<br />Volkswagen Discover: http://carbyr.uk/1HGuD6M