That’s not depreciation, that’s discount. These things do not depreciate like you think they do. Example: 2006, a 2003 (3 year old) Denali with a $50k sticker could be had for $15-20k. In 2012, a 2007 (5-6 year old) Tahoe LTZ with a sticker of $50k could be had for $20k. Fast forward to today, a...