As found in the December 13th issue of Autoweek:

The MINI Cooper S was not the most powerful car ever to grace our garage, nor the fastest. But it may just have been the most fun vehicle we've had at our disposal. And despite its small size, the MINI stood tall in the reliability department, not missing even one day of service in its 365 days with the AW staff.

The issue is at bookstores now and will be online in a few days.