The average asking price for a used 2021 Porsche 718 Cayman is $109,410, with 21,953 miles on average, across 34 cars for sale at U.S. dealers as of Nov 10, 2026.
| State | Average asking | Average miles | For sale | Days listed |
|---|---|---|---|---|
| California | $105,214 | 24,015 | 9 | 42 |
Used 2021 Porsche 718 Caymans for sale at U.S. dealers ask $109,410 on average (half ask less than $112,167), across 34 cars. The cars for sale have 21,953 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 24 for sale with a listing date have been listed 45 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 $109,410 on average with 21,953 miles; the 2020 asks $134,047 with 15,204 miles, and the 2022 asks $99,467 with 15,724 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.
