Audi MMI review: in-car tech supertest

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, we've rated each car out of five. See the full test here: Click the links below to see how other systems stack up - Audi MMI: BMW iDrive: Ford SYNC 2: http://carbyr

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