Tesla (NASDAQ:TSLA) used car prices have fallen faster than other automakers. According to Edmunds, the average sale price of a Tesla used car in November was about $55,800, down 17% from the peak of $67,300 in July. The average price of the used car market as a whole fell by 4% during this period. The average inventory time of used Teslas in dealers in November was 50 days, while the average inventory time of used cars of all brands was 38 days.