The 2011 Lexus GS - Most reliable Mid-sized Premium Car after three years and most reliable brand overall after the same period according to J.D Power
There are two, I repeat two (2) major J.D Power Awards for the Automotive sector out there.
First is the Initial Quality Study for 2014. Taken from the Initial Quality Study (IQS), which looks at owner-reported problems in the first 90 days of new-vehicle ownership, this score is based on problems that have caused a complete breakdown or malfunction, or where controls or features may work as designed, but are difficult to use or understand.