Do porsches hold their value. Older porsches such as 356s 1960s 911912s etc. Below is a list showing average depreciation rates for various porsche models. The older it is the better chance it will hold value or possibly increase in value over time.
Limited run models like turbos the 1998 carrera 4s etc which also tend to be higher priced cars seem like they hold more value. If you have a 120000 mile 944 in decent shape you might not. Strong demand and historical reliability mean porsches depreciate slowly and typically have high resale values.
If theres an unfashionable early 911 the impact bumper g series models are it especially the earlier 27. Anything that the general porsche populace doesnt have. When solid examples are fetching less than 30000 plenty of first time porsche buyers have a great entry point to the brand with 300 horsepower and a six speed manual transmission.
Also porsche is the top luxury car brand in terms of resale value by many used car dealers. Quote counts are up 28 percent in the last year but quoted values have not seen an increase yet. The days of a classic porsche for hot hatch money are long since gone.