GM also has the most models ranked in the top three in their respective segments. (gm.com)
In brightness, the S6 models rank as «the brightest mobile display that we have ever tested.» (sammobile.com)
This follows GM's leadership in the J.D. Power 2016 Vehicle Dependability Study and the J.D. Power 2016 Initial Quality Study, where it had the most models ranked highest in segment. (gm.com)