Porsche 928 Depreciation Rate and Curve

Are you researching the depreciation rates in a Porsche 928? On this page, we'll list all the depreciation information for the 6 years of data we have for the Porsche 928 - from 1989 to the most recent model in 1995.

Porsche 928 Historical Depreciation Table

Below is a historical table for the Porsche 928 that displays year by year depreciation data.
Model Year Price When New (%) Current Depreciation ($) Current Depreciation Current Residual Value
1995 $82,260 6% $5,260 $77,000
1994 $82,260 (+) 22% (Appreciation) (+) $18,440 (Appreciation) $100,700
1993 $82,260 (+) 22% (Appreciation) (+) $18,440 (Appreciation) $100,700
1991 $78,575 54% $42,075 $36,500
1990 $75,620 54% $41,120 $34,500
1989 $74,545 49% $36,445 $38,100

Forecasted Depreciation

Model Year Forecast Value Forecast Period (years)
1995 $40,040 5
1994 $40,040 5
1993 $40,040 5
1991 $40,040 5
1990 $40,040 5
1989 $40,040 5