The J.D. Power 2015 U.S. Initial Quality Study examines problems experienced by more than 84,000 purchasers and lessees of new 2015 model-year vehicles surveyed after 90 days of ownership. Initial quality is determined by the number of problems experienced per 100 vehicles, with a lower score reflecting higher quality. Korean brands lead the industry in initial quality by the widest margin ever, averaging 90 PP100, which is an 11 PP100 improvement from 2014. For the first time in the study, European brands (113 PP100) surpass Japanese brands (114 PP100), while domestic makes (114 PP100) equal the Japanese for only a second time. Entertainment and connectivity systems remain the most problem-prone area for a third consecutive year, with voice recognition and Bluetooth pairing continuing to top the problem list.