Black Book analysts forecast an annual depreciation rate of 15% in 2019 as the supply of used cars and trucks increases, up from a "noticeably strong" 12.4% depreciation rate in 2018.
Vehicle Depreciation to Reach 17.8% in 2017
The vehicle depreciation rate will reach 17.8% in 2017 on 17 million new-vehicle sales, slightly higher than the 17.3% mark recorded in 2016, according to latest forecast from Black Book and Fitch Ratings. Prior to the Great recession, annual depreciation trended between 16% and 18%.