HomeAll RepliesReply To: New 8-speed unfair to early buyers of 2015 Yukon Denali with 6.2L V8 L86 Reply To: New 8-speed unfair to early buyers of 2015 Yukon Denali with 6.2L V8 L86 Sponsored November 23, 2014 at 5:37 am #77681 Z15Participant This just sounds like sour grapes. They always add features, this is nothing out of the ordinary. Anything built after August 15th is a 2005i model year with new features. (AVF) 2015 MODEL YEAR INTERIM PROGRAM PROCESSING CODE. Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored