Sorry for jumping in the Hawaii thread again - hey, I do spend a couple of weeks there every other year
- but, the extended warranty is probably a must-have as it goes beyond the drivetrain. Imagine a failing touchscreen, door handles, pano roof or air suspension in year 6 or 7; that'd be a very costly repair without the warranty.
At $2.5k up until a year ago, the extended warranty was a 'great deal'; at $4k now, it's a little excessive but...