The average asking price for a used 2005 Porsche Boxster is $20,470, with 70,518 miles on average, across 47 cars for sale at U.S. dealers as of Nov 10, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| California | $21,459 | 65,959 | 12 | 72 |
| Florida | $16,995 | 76,273 | 5 | 101 |
Used and certified cars for sale at US dealers, each car counted once. Days listed are the dealer’s own days on market where they publish it. Price moves compare the same cars at both ends of the window.
| $17,558 |
| 71,066 |
| 32 |
| 2003 | $18,589 | 68,749 | 41 |
| 2002 | $16,700 | 67,425 | 46 |
| 2001 | $15,857 | 64,668 | 57 |
| 2000 | $16,247 | 63,503 | 56 |
| 1999 | $13,666 | 80,645 | 39 |
| 1998 | $13,886 | 70,717 | 24 |
| 1997 | $15,769 | 63,451 | 16 |
| 1976 | $25,995 | 65,000 | 2 |