Analysis of used car price using ADAC

ADAC yearly publishes used car prices it can be found here

I have tried to analyze and sum up this data. Here how data looks like in pdf:

ADAC used car pdf

1. Convert data to jupyter notebook:

2. Convert years to years since

3. Plot all data:

Fun finding is that some Porsche cars cost more after 1,2,3 years:

4. Plot max,median, min values without outliners:

Used car max, median, min price in percentage from initial price

Numeric values are listed here:

Overview per each car maker/mark:

Here you can find used car prices between new and 7 years period:

Here you can find top 10 car manufacturers with least deprecation per year:

All data can be found on GitHub