The average asking price for a used 2021 Porsche 718 Boxster is $98,255, with 20,699 miles on average, across 41 cars for sale at U.S. dealers as of Nov 15, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| California | $91,297 | 27,742 | 11 | 41 |
| Florida | $86,853 | 22,887 | 7 | 44 |
Used 2021 Porsche 718 Boxsters for sale at U.S. dealers ask $98,255 on average (half ask less than $96,978), across 41 cars. The cars for sale have 20,699 miles on average: one with fewer miles is worth more, and one with more is worth less. To check one car's price against cars of its trim and mileage, enter its VIN in OttoQuest's free Deal Check.
The 39 for sale with a listing date have been listed 61 days on average. A car listed much longer than that, or one whose price has already been cut, usually leaves more room to negotiate.
The 2021 asks $98,255 on average with 20,699 miles; the 2020 asks $83,652 with 27,098 miles, and the 2022 asks $111,837 with 12,701 miles.
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.